Found a photo gallery of some excellent My Little Pony customs on the Guardian website the other day.
For the comics fans:
For the Uma Thurman fans:
(Scarily accurate. Does this mean Uma Thurman is secretly a plastic horse?)
For the nostalgics:
There's Star Wars MLPs, Edwrad Scissorhands MLPs, Jonny Depp MLPs, more He-man stuff, and Elvis and a Heath Ledger Joker. Check it out.