A store pending?

Today I started taking a look at www.zazzle.com... I'm thinking about making some of my artwork available for purchase, on t-shirts, magnets, coffee mugs, etc.!  So I've ordered a few items from Zazzle, because I want to see what the products are like.  Zazzle of course allows an artist to set up an online store, selling all sorts of items with their artwork on them, many of the items being customizable.  Zazzle prints the artwork onto the products, per each customer order, and is able to ship within one day, from what I understand.  I was pretty impressed with the website, with its depth of functionality and ease of use.  I found one artist's Zazzle store that I was particularly fond of, called Retropolis Travel Bureau. There are some very nice looking items for sale there, all with a "retro-future" style of artwork.  The artist is named Bradley W. Schenck.


The question is how much of my previous artwork is suitable to be put on a t-shirt or button or whatever.  I'll have to evaluate the pieces, and meanwhile, I've already started work on an image which will be intentionally t-shirt friendly.  Below are some rough, early sketches.  I plan to make two versions of the artwork...  one to be a painted raster image (shown on the right), and the other to be a vector image using solid colors.  I'm imagining that these graphics will be something preferred by the ladies (ladies who like to crawl around in graveyards and attack zombies for their blood).

I hope to have more news on this soon!  Stay tuned.