transformers fanart search (in japanese) - good for finding the sources for japanese fanart and for finding new fanart websites!
nova l’s sims 2 skins - nova l makes amazing g1 transformers skins for the sims 2, and modthesims has in instructions on how to make them work!
tf-themed cursors - seekers, grimlock, rodimus, and other transformers pointers that you can install onto your blog or onto your computer’s mouse pointer.
transformers brushes - autobot and decepticon brushes for photoshop.
tf icons - you can install these and use them as replacement icons for desktop icons on your computer or for a mac-style sidebar.
transformers fonts - maximal, predacon, movieverse fonts plus some others.
g1 sound effects - this .rar has all of the sound effects and music from g1. definitely good for those of us who want the classic transforming noise as our text message alert or msn message noise!
i did not contribute to any of the things linked above, so make sure you source your fanart and thank the contributors and creators of all the amazing tf-related stuff on the web when you download! :D