Need help installing mods

[lepug]

Hey I'm new to this how inserting mods thing and sorry if this is the wrong forum to do this is in, but everytime I download a zip of a mod ... it has these files: i.snag. gy/l5c8X.jpg

How exactly do I put this in? I'm using CuteFTP for my site. Thanks!

[RMcGirr83]

[url=http://www.phpbb.com/kb/article/how-to-install-a-modx-modification/]Knowledge Base - How to install a MODX Modification[/url]
[url=http://www.phpbb.com/kb/article/how-to-install-mods/]Knowledge Base - How to Install MODs[/url]