Make a simple one with PHP. It's easiest using programs with custom html with gallery dumps, but can also be easily done with FHG2HTML/textmechanic.com tools:
Code:
<?php
$gal = array();
$gal[] = '<a href="LINK" title="WHATEVER"><img class="STYLINGSHIT" src="THUMBSRC" title="TITLE" alt="ALT" /></a>';
$gal[] = '<a href="LINK" title="WHATEVER"><img class="STYLINGSHIT" src="THUMBSRC" title="TITLE" alt="ALT" /></a>';
$gal[] = '<a href="LINK" title="WHATEVER"><img class="STYLINGSHIT" src="THUMBSRC" title="TITLE" alt="ALT" /></a>';
$gal[] = '<a href="LINK" title="WHATEVER"><img class="STYLINGSHIT" src="THUMBSRC" title="TITLE" alt="ALT" /></a>';
$gal[] = '<a href="LINK" title="WHATEVER"><img class="STYLINGSHIT" src="THUMBSRC" title="TITLE" alt="ALT" /></a>';
echo '<div align="center">';
echo '<table width="100%" align="center">
<tr align="center">
<td align="center">';
echo $gal[0];
echo '</td><td align="center">';
echo $gal[1];
echo '</td><td align="center">';
echo $gal[2];
echo '</td><td align="center">';
echo $gal[3];
echo '</td><td align="center">';
echo $gal[4];
echo'</td></tr><tr align="center">';
echo'<td align="center">';
echo $gal[5];
echo '</td><td align="center">';
echo $gal[6];
echo '</td><td align="center">';
echo $gal[7];
echo '</td><td align="center">';
echo $gal[8];
echo '</td><td align="center">';
echo $gal[9];
echo'</td></tr><tr align="center">';
echo'<td align="center">';
echo $gal[10];
echo '</td><td align="center">';
echo $gal[11];
echo '</td><td align="center">';
echo $gal[12];
echo '</td><td align="center">';
echo $gal[13];
echo '</td><td align="center">';
echo $gal[14];
echo'</td></tr><tr align="center"><td align="center">';
echo $gal[15];
echo '</td><td align="center">';
echo $gal[16];
echo '</td><td align="center">';
echo $gal[17];
echo '</td><td align="center">';
echo $gal[18];
echo '</td><td align="center">';
echo $gal[19];
echo'</td></tr></table></div>';
?>
This makes a fhg with 5 images across. Edit the html echoes how you like and if you want them random like on fappyness.com, then just add shuffle($gal); after the gallery arrays.

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