Well, probably the originator-none-greater is Crashy, brought to us by the inimitable, CTScott. If I'm not mistaken, this is the first thread on it:
http://www.yarisworld.com/forums/sho...ghlight=crashy
CT took a salvaged Yaris and created a supercharged, snow plowing dump truck with it. Yeah, for real. A forum search using the keyword 'Crashy' and threads started by 'CTScott' will bring up several gem threads with pics of Crashy's journey.
For a more practical approach, this thread by justjesus came to mind after your mention of wanting to lift yours:
http://www.yarisworld.com/forums/sho...ghlight=lifted