AP 3 D Design

Here are a few places to start to get ideas for your concentration:
Ceramic:

Ton art and sound: http://www.tonartllc.com/products.html#0

Mixed Media:

Denver artist, Jonathan Saiz: http://www.plusgallery.com/artists/saiz

Maggie Casey: http://www.maggiecasey.com/home/

Ian Anderson http://www.ianworks.com/

Nancy Graves: http://www.nancygravesfoundation.org/sculpture.html

Sculpture:

Abstract sculptor: Allan Houser: http://www.allanhouser.com/

Glass and Mixed Media Aurora Robson: http://www.aurorarobson.com/

Landmines

Sam Spiczka: http://www.sculptorsam.com/galleries.html