DIY zipper shirt, LOVE THIS. Could even do 2 smaller zippers from the neck to the end of the sleeve
Oodles of things on which this one could be useful. Might be fun to have a cincher with a lace zipper in front, even. Me Sew Crazy: Lace Zipper Tutorial.
DIY zipper pouch tutorial from Lil' Luna.
DIY bow on the back shirt. I don't like the bow, but I do like the idea of adding mesh to the back of a t-shirt
Zipper Rainbow T Shirt Recon Totally Awesome I gotta try this :)