I've created a conforming dress with four textures for Imploo. I've uploaded to Free Stuff here and it is waiting approval. It is also at ShareCG:

http://www.sharecg.com/v/68153/view/11/Poser/Petticoat-Dress-for-Imploo

Due to the weight mapping it is for Poser 9 / Poser Pro 2012 only. Sandals are not included but I am planning on sharing them soon.

Have fun!