최근게시물 스킨을 변경하면 됩니다.
간단하게 설명드리자면
최근게시물 스킨에서
$list[$i][subject] 부분에다가
$list[$i][content]나
$list[$i][wr_content] 를 넣어보시면 이해가 빠르실 겁니다.

이지지 슬라이드 기능 부분만 추출하셔서 최근게시물로 만드시면 될것 같습니다.
최근게시물 작성 하실때 어차피 한개의 게시물만 나오게 하실 것 같은데
최근게시물에서 글 추출을 1로 적으시고

스킨 만드실때 img 파일도 복사를 해옵니다용.
그리고 대략적으로

<?
if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가

$ViewRows = 5; // 출력 개수
$rewidth = 100; // 썸네일 이미지 가로크기
$reheight = 62; // 썸네일 이미지 세로크기
$settime = 5; // 타임아웃 시간 (초)

$td_width = $rewidth + 16;
$td_height = $reheight + 52;

$file = array();

for ( $i = 0; $i < $list[0][file][count]; $i++ )
{
  if ( $list[0][file][$i][file] )
    $file[] = $list[0][file][$i];
}
?>
<div class='latest_area'>

<table>
<tr>
  <td>

    <div style='clear:both;'>
      <table align=center cellpadding=0 cellspacing=0 border=0>
      <tr>
        <td><div id=fadein_content style='width:640px; height:400px; position:relative;'></div></td>
      </tr>
      </table>
    </div>

    <script language='javascript'>
    var array_image = new Array();
    </script>

    <table width=100% cellpadding=0 cellspacing=0 border=0>
    <tr>
      <td style='padding:5px;' valign="bottom"><img src='<?=$latest_skin_path?>/img/arr01.gif' align=absmiddle onclick="prev_images()" style='cursor:pointer;' alt="이전" /></td>

      <td>

        <table align=center cellpadding=0 cellspacing=0 border=0>
        <tr>
          <td>

            <div style='float:left; position:relative; width:<?=$td_width*$ViewRows?>px; height:<?=$td_height?>px; overflow:hidden;'>
              <div id=image_layer style='position:absolute; left:0;'>

                <table id=image_content cellpadding=0 cellspacing=0 border=0>
                <tr>
                  <?
                  // 파일 출력
                  for ($i = 0; $i < count( $file ); $i++ )
                  {
                    $original_file = $file[$i][path]."/".$file[$i][file];
                    $thumb_file = $file[$i][path]."/thumb_".$file[$i][file];

                    if ( ! file_exists( $thumb_file ) ) // 썸네일 시작
                    {
                      list( $img_width, $img_height, $type ) = @getimagesize( $original_file );

                      if ( $type == 1 ) $img_sour = imagecreatefromgif( $original_file );
                      else if ( $type == 2 ) $img_sour = imagecreatefromjpeg( $original_file );
                      else if ( $type == 3 ) $img_sour = imagecreatefrompng( $original_file );
                      else return false;

                      if ( $img_width > $img_height )
                      {
                          $width = round( $reheight * $img_width / $img_height );
                          $height = $reheight;
                      }
                      else
                      {
                          $width = $rewidth;
                          $height = round( $rewidth * $img_height / $img_width );
                      }

                      if ( $width < $rewidth )
                      {
                          $width = round( ( $height + $rewidth - $width ) * $img_width / $img_height );
                          $height = round( ( $width + $rewidth - $width ) * $img_height / $img_width );
                      }
                      else if ($height < $reheight)
                      {
                          $height = round( ( $width + $reheight - $height ) * $img_height / $img_width );
                          $width = round( ( $height + $reheight - $height ) * $img_width / $img_height );
                      }

                      $x_last = round( ( $width - $rewidth ) / 2 );
                      $y_last = round( ( $height - $reheight ) / 2 );

                      if ( ( $img_width < $rewidth ) || ( $img_height < $reheight ) )
                      {
                          $img_last = imagecreatetruecolor( $rewidth, $reheight );
                          $x_last = round( ( $rewidth - $img_width ) / 2 );
                          $y_last = round( ( $reheight - $img_height ) / 2 );

                          imagecopy( $img_last, $img_sour, $x_last, $y_last, 0, 0, $width, $height );
                          imagedestroy( $img_sour );
                          $white = imagecolorallocate( $img_last, 255, 255, 255);
                          imagefill( $img_last, 0, 0, $white );
                      }
                      else
                      {
                          $img_dest = imagecreatetruecolor( $width, $height );
                          imagecopyresampled( $img_dest, $img_sour, 0, 0, 0, 0, $width, $height, $img_width, $img_height );
                          $img_last = imagecreatetruecolor( $rewidth, $reheight );
                          imagecopy( $img_last, $img_dest, 0, 0, $x_last, $y_last, $width, $height );
                          imagedestroy( $img_dest );
                      }

                      if ( $type == 1 ) imagegif($img_last, $thumb_file, 100);
                      else if ( $type == 2 ) imagejpeg($img_last, $thumb_file, 100);
                      else if ( $type == 3 ) imagepng($img_last, $thumb_file, 100);

                      imagedestroy($img_last);
                    } // 썸네일 끝

                    ?>

                    <td style='padding:5px;' width=<?=$td_width?> height=<?=$td_height?> align=center valign=bottom onmouseover='image_over ( <?=$i?> )' onmouseout='image_out( <?=$i?> )'>
                      <div style='clear:both; text-align:left;'>
                        &nbsp;<img src='<?=$latest_skin_path?>/img/number<?=$i+1?>.gif' align=absmiddle>
                      </div>
                      <div style='clear:both;'>
                        <img src='<?=$thumb_file?>' id=thumb_image align=absmiddle style='border:3px solid #ffffff;'>
                      </div>
  <!--
                      <div style='clear:both; text-align:left; font-size:8pt; font-family:dotum; padding:2px 0 2px  0;'>
                        <?=$file[$i][bf_content]?>
                      </div>
  -->
                    </td>

                    <script language='javascript'>
                    array_image[<?=$i?>] = "<?=$original_file?>";
                    </script>

                    <?
                  }
                  ?>
                </tr>
                </table>
              </div>
            </div>
          </td>
        </tr>
        </table>
      </td>

      <td style='padding:5px;' valign="bottom"><img src='<?=$latest_skin_path?>/img/arr02.gif' align=absmiddle onclick="next_images()" style='cursor:pointer;' alt="다음" /></td>
    </tr>
    </table>

  </td>
</tr>
</table>

</div>

<script type="text/javascript">
var NowImg = 0;
var ViewRows = parseInt( <?=$ViewRows?> ); // 보여지는 개수
var TotalRows = parseInt( <?=count( $file )?> ); // 전체 개수
var TdWidth = parseInt( <?=$td_width?> ); // 한칸당 가로 크기
var before_FilePath; // 패이드인 이전 파일
var MoveNum = 0;
var Stv; // 타임아웃

function fadein_over( FilePath )
{
  if ( before_FilePath == FilePath )
return;

  before_FilePath = FilePath;

  parent_node = document.getElementById( "fadein_content" );

  if ( ! parent_node.width ) parent_node.width = parseInt( parent_node.style.width, 10 );
  if ( ! parent_node.height ) parent_node.height = parseInt( parent_node.style.height, 10 );

  TargetDiv = parent_node.getElementsByTagName( "A" )[0];

  if ( typeof( TargetDiv ) == "undefined" )
TargetDiv = parent_node;

  TargetDiv_element = TargetDiv.getElementsByTagName( "IMG" );

  // DIV 엘리먼트가 10 개 정도 되면 하나씩 삭제
  if ( TargetDiv_element.length >= 10 )
TargetDiv.removeChild( TargetDiv_element[0] );

  element = document.createElement( "IMG" );
  element.style.position = "absolute";
  element.style.width = parent_node.width+"px";
  element.style.height = parent_node.height+"px";
  element.src = FilePath;

  if ( navigator.appName == "Microsoft Internet Explorer" )
element.style.filter = "Alpha(opacity=0)";
  else
element.style.opacity = "0.0";

  TargetDiv.appendChild( element );

  setTimeout( "fadein( element )", 10 );
}

function fadein( element )
{
  number = element.getAttribute( "number" );

  if ( ! number )
  number = 0;

  if ( navigator.appName == "Microsoft Internet Explorer" )
  {
    number = parseInt( number );
    number += 5;

    element.style.filter = "Alpha(opacity="+number+")";

    if ( parseInt( number ) >= 100  )
    {
      element.style.filter = "Alpha(opacity=100)";
      return;
    }
  }
  else
  {
    number = parseFloat( number );
    number += 0.05;

    element.style.opacity = number;

    if ( parseInt( number ) >= 1  )
    {
      element.style.opacity = 1;
      return;
    }
  }

  element.setAttribute( "number", number );

  setTimeout( "fadein( element )", 10 );
}

function next_images()
{
  clearTimeout( Stv );

  NowImg++;

  if ( NowImg > TotalRows - 1 )
    NowImg = 0;

  image_border ( NowImg );
  fadein_over( array_image[NowImg] );
  Stv = setTimeout( 'next_images()', <?=$settime*1000?> );

  MoveNum = NowImg;
  return;
}

function prev_images()
{
  clearTimeout( Stv );

  NowImg--;

  if ( NowImg < 0 )
    NowImg = TotalRows - 1;

  image_border ( NowImg );
  fadein_over( array_image[NowImg] );
  Stv = setTimeout( 'next_images()', <?=$settime*1000?> );

  MoveNum = NowImg;
  return;
}

function move_content()
{
  NowLeft = parseInt( document.getElementById( "image_layer" ).style.left, 10 );
  LeftLoc = Math.ceil( Math.abs( NowLeft - ( MoveNum * TdWidth ) ) / 2 );

  if ( ViewRows + MoveNum > TotalRows )
    LeftLoc = Math.ceil( Math.abs( NowLeft - ( ( TotalRows - ViewRows ) * TdWidth ) ) / 2 );

  if ( TotalRows <= ViewRows )
    LeftLoc = 0;

  document.getElementById( "image_layer" ).style.left = -LeftLoc+"px";
}

function image_border ( num )
{
  content = document.getElementById( "image_content" ).getElementsByTagName( "IMG" );

  for ( i = 0, k = 0; i < content.length; i++ )
  {
    if ( content[i].getAttribute( "id" ) == "thumb_image" )
    {
      content[i].style.border = num == k ? "3px solid #ff6347" : "3px solid #ffffff" ;
      k++;
    }
  }

  return;
}

function image_over ( num )
{
  NowImg = num;
  image_border ( num );
  fadein_over( array_image[num] );
  clearTimeout( Stv );
  return;
}

function image_out ( num )
{
  NowImg = num;
  image_border ( num );
  fadein_over( array_image[num] );
  Stv = setTimeout( 'next_images()', <?=$settime*1000?> );
  return;
}

window.onload = function()
{
    resizeBoardImage(<?=(int)$board[bo_image_width]?>);
    drawFont();

    <?
    if ( $file[0][file] )
    {
      echo "fadein_over( array_image[0] );\n";
      echo "image_border ( 0 );\n";
    }

    if ( $file[1][file] )
    {
      echo "Stv = setTimeout( 'next_images()', ".($settime*1000)." );\n";
      echo "setInterval( 'move_content()', 1 )\n";
    }
    ?>
}
</script>


이정도로 짜면 나올법도 합니다만