Captain Ara - There's a couple of these for 75kish, and one of the gens is even in the 20k range (although there's none on the MP at the moment) So many awesome pirate items.
Summer Jelly - This one comes with a cute parasol, a surfboard, and a beach background for 40k.
Lightning Bug - This one's 30k (none on the MP at this price at the moment) and comes with a very nice lantern and some pretty lightning bugs flying around.
Emerald Princess Gown and
Amethyst Princess Gown for 20 and 47k, respectively.
Sheriff Law - Some great Western items and a Wanted poster for your avi for 40k right now.
Papyrus - 27k for some nice papery poses and a great foreground.
Weathered Cybernetics - 33k for robotic legs and arms, great for cyborg avis.