Mods not Working

I tried download some mods but they all say that the format is either unknown or its damaged, how could i fix this?

Btw sorry for that bump post, i didnt know it was old

Get new internet and stop being a little ****** by not thanking modders.

Wrong section and read this TUT on modding it will help you a lot : http://www.mpgh.net/forum/210-combat...-tutorial.html