A list of helpful apps for 10.7/10.8 moddingFlavours - http://flavours.interacto.net - I think you all should know what this is; but in case someone wanders by off of google - this allows you to mod the windows and UI of 10.7 and 10.8More Like This
Candybar - http://www.panic.com/blog/2012/08/candybar-mountain-lion-and-beyond - allows you to change icons
DockMod - http://www.dockmod.com - this allows you to mod 10.8's dock.
GlobalNoWindowTitle & siblings - https://github.com/inket/GlobalNoWindowTitle - SIMBL plugin that gets rid of window text and/or icons ( I haven't used this so use at your own risk)
FbEye Plugin - anyone have this with macthemes down - SIMBL plugin that allows you to change finder sidebar color and various other UI ickies
Tinkertool - http://www.bresink.com/osx/TinkerTool.html - allows hidden system settings like global fonts and dock location to get changed
Geektool - http://projects.tynsoe.org/en/geektool/ - desktop displays, widgets, etc.
Nocturne - https://www.macupdate.com/app/mac/24898/nocturne - does a bunch of stu