I am with the crowd who mentioned you may not have the correct tool to unzip .rar files or whatever that compression tool extension is.
I did the same thing the first day, wondering why i am getting these files that jsgme did not recognize as mods.
Also, i found this page to be awesome help with using jsgme
http://www.subsim.com/radioroom/show...34&postcount=2
Hopefully something in this thread helps ya out. Keep us posted
