Index: class-wp-theme-install-list-table.php
===================================================================
--- class-wp-theme-install-list-table.php	(revision 18670)
+++ class-wp-theme-install-list-table.php	(working copy)
@@ -22,7 +22,7 @@
 
 		$paged = $this->get_pagenum();
 
-		$per_page = 30;
+		$per_page = 24;
 
 		// These are the tabs which are shown on the page,
 		$tabs = array();
@@ -130,7 +130,7 @@
 
 		// wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
 ?>
-		<div class="tablenav top">
+		<div class="tablenav top themes">
 			<div class="alignleft actions">
 				<?php do_action( 'install_themes_table_header' ); ?>
 			</div>
@@ -139,13 +139,11 @@
 			<br class="clear" />
 		</div>
 
-		<table id="availablethemes" cellspacing="0" cellpadding="0">
-			<tbody id="the-list" class="list:themes">
-				<?php $this->display_rows_or_placeholder(); ?>
-			</tbody>
-		</table>
+		<div id="availablethemes">
+			<?php $this->display_rows_or_placeholder(); ?>
+		</div>
 
-		<div class="tablenav bottom">
+		<div class="tablenav bottom themes">
 			<?php $this->pagination( 'bottom' ); ?>
 			<img src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" class="ajax-loading list-ajax-loading" alt="" />
 			<br class="clear" />
@@ -155,30 +153,19 @@
 
 	function display_rows() {
 		$themes = $this->items;
-
-		$rows = ceil( count( $themes ) / 3 );
-		$table = array();
 		$theme_keys = array_keys( $themes );
-		for ( $row = 1; $row <= $rows; $row++ )
-			for ( $col = 1; $col <= 3; $col++ )
-				$table[$row][$col] = array_shift( $theme_keys );
 
-		foreach ( $table as $row => $cols ) {
-			echo "\t<tr>\n";
-			foreach ( $cols as $col => $theme_index ) {
+		foreach ( $theme_keys as $theme_key ) {
 				$class = array( 'available-theme' );
-				if ( $row == 1 ) $class[] = 'top';
-				if ( $col == 1 ) $class[] = 'left';
-				if ( $row == $rows ) $class[] = 'bottom';
-				if ( $col == 3 ) $class[] = 'right';
 				?>
-				<td class="<?php echo join( ' ', $class ); ?>"><?php
-					if ( isset( $themes[$theme_index] ) )
-						display_theme( $themes[$theme_index] );
-				?></td>
-			<?php } // end foreach $cols
-			echo "\t</tr>\n";
-		} // end foreach $table
+				<div class="<?php echo join( ' ', $class ); ?>"><?php
+					if ( isset( $themes[$theme_key] ) )
+						display_theme( $themes[$theme_key] );
+				?></div>
+		<?php } // end foreach $theme_keys
+?>
+		<br class="clear" />
+<?php
 	}
 }
Index: class-wp-themes-list-table.php
===================================================================
--- class-wp-themes-list-table.php	(revision 18670)
+++ class-wp-themes-list-table.php	(working copy)
@@ -47,7 +47,7 @@
 		unset( $themes[$ct->name] );
 		uksort( $themes, "strnatcasecmp" );
 
-		$per_page = 15;
+		$per_page = 24;
 		$page = $this->get_pagenum();
 
 		$start = ( $page - 1 ) * $per_page;
@@ -92,7 +92,7 @@
 		if ( $this->get_pagination_arg( 'total_pages' ) <= 1 )
 			return;
 		?>
-		<div class="tablenav <?php echo $which; ?>">
+		<div class="tablenav themes <?php echo $which; ?>">
 			<?php $this->pagination( $which ); ?>
 		   <img src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" class="ajax-loading list-ajax-loading" alt="" />
 		  <br class="clear" />
@@ -105,11 +105,9 @@
 ?>
 		<?php $this->tablenav( 'top' ); ?>
 
-		<table id="availablethemes" cellspacing="0" cellpadding="0">
-			<tbody id="the-list" class="list:themes">
-				<?php $this->display_rows_or_placeholder(); ?>
-			</tbody>
-		</table>
+		<div id="availablethemes">
+			<?php $this->display_rows_or_placeholder(); ?>
+		</div>
 
 		<?php $this->tablenav( 'bottom' ); ?>
 <?php
@@ -120,29 +118,15 @@
 	}
 
 	function display_rows() {
-		$themes = $this->items;
+		$themes = $this->items;		
 		$theme_names = array_keys( $themes );
 		natcasesort( $theme_names );
 
-		$table = array();
-		$rows = ceil( count( $theme_names ) / 3 );
-		for ( $row = 1; $row <= $rows; $row++ )
-			for ( $col = 1; $col <= 3; $col++ )
-				$table[$row][$col] = array_shift( $theme_names );
-
-		foreach ( $table as $row => $cols ) {
-?>
-<tr>
-<?php
-foreach ( $cols as $col => $theme_name ) {
-	$class = array( 'available-theme' );
-	if ( $row == 1 ) $class[] = 'top';
-	if ( $col == 1 ) $class[] = 'left';
-	if ( $row == $rows ) $class[] = 'bottom';
-	if ( $col == 3 ) $class[] = 'right';
-?>
-	<td class="<?php echo join( ' ', $class ); ?>">
-<?php if ( !empty( $theme_name ) ) :
+	foreach ( $theme_names as $theme_name ) {
+		$class = array( 'available-theme' );
+	?>
+	<div class="<?php echo join( ' ', $class ); ?>">
+	<?php if ( !empty( $theme_name ) ) :
 	$template = $themes[$theme_name]['Template'];
 	$stylesheet = $themes[$theme_name]['Stylesheet'];
 	$title = $themes[$theme_name]['Title'];
@@ -194,10 +178,10 @@
 <?php endif; ?>
 		<?php theme_update_available( $themes[$theme_name] ); ?>
 <?php endif; // end if not empty theme_name ?>
-	</td>
-<?php } // end foreach $cols ?>
-</tr>
-<?php } // end foreach $table
+	</div>
+<?php } // end foreach $theme_names ?>
+<br class="clear" />
+<?php
 	}
 
 	function search_theme( $theme ) {
@@ -237,4 +221,4 @@
 	}
 }
 
-?>
+?>
\ No newline at end of file