T-shirts, sweatshirts, and other apparrel with my fractal designs on them are available at zazzle.com.  All of my different products at zazzle, including t-shirts, posters/prints, and cards, are now in one gallery.  While visiting my gallery at zazzle.com you may browse by product type by using the icons on the left of the page found under the word "Browse".  Visit my gallery at zazzle.com, or click on the thumbnails below for more details about each shirt.  I'll be adding more soon, so check back often!