I can't give you fic about the fingers smelling like butts, but I can give you fic where 69-rimming was had, and then one character wanted to kiss (http://gwaddiction.com/p.php?id=2225&title=Start+Me+Up&author=tkmaxwell777&to=106&series=&part=&last=&authorpage=TK.shtml&fic=./tk/start) and the other didn't. It's in one of the later parts, though.

In response to the lube thing, though, I once wrote a slash sex scene having the established couple just use copious amounts of spit, and was told by several betas to have them use lube, so...