These all work nicely:
Avery: DFM Heavy (SWEET!), DFM Cotton
Intelicoat: Magic Canvas, GF Poly, POS Pro, FAB 6, GF Photo
Dreamscapes Wallcovering - 11 of 12 different textures (Mache is too thick)
Orajet products seem to print the best with SS2 inks
Not crazy about Avery vinyls...