Well, there is a Digimon one. ;P
So yeah, girls turning into Pokemon, Pokemorphs, and maybe Pokegirls TFed into various things too?
A few recent ones, first a Vespiquen TF
http://fav.me/d2z880n
And Erika into...one of the new 5th Gen Grass types.
http://fav.me/d2z8ynj