Helmets won't appear!!!!!

[Ewokfluffynuts]

Hey guys! I'm having trouble figuring out how to use the different types of documents and I really don't know where to put .jm files and everything. I only really know how to install .saf by winrar. Sorry in advance I'm new here!

So I'm trying to install these little guys,

https://www.mediafire.com/?f5kg7o9fdumprg9

,but I don't really know what to do with the 3 different documents after opening the download. Thanks I'm advanced!