<IfModule mod_rewrite.c>
RewriteEngine On
RewriteRule
^download/(.*)/(.*)/(.*)/(.*).(.*)
index.php?act=download&md5_id=$1&unique_code=$2&mdp_unique_code=$3&name=$4&ras=$5
[L,QSA]
RewriteRule ^prev/([0-9]*)_([0-9]*)/([0-9]*).f.png
index.php?act=prev&height=$1&width=$2&id=$3
RewriteRule
^flv/([0-9]*)/video.flv index.php?act=flv&id=$1
</IfModule>