The Art of the Deal, in which aliens want something a little different.
and the post and comment thread that inspired it,
Aliens Made Them, which generated a hilarious collection of ficlets in the comments (do be sure to expand all the threads- the fics often continue). These include (but are not limited to: Due North Crochet-Fic, and a hysterical Highlander- Looney Tunes crossover, as well as some excellent SG-1 Fic (in which Teal'c's dignity is sorely offended. :P)
And I must credit holdouttrout for the AMTDRT acronym!