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