Creating Images for Black Garments
When designing for black t-shirts at CafePress, keep in mind that white areas of your designs will no longer be treated as transparent when printing on black. For example, if your image is on a white background, the white background will be printed along with your design. The whites of the eyes will be white, not the color of the garment.
You'll want to create and upload transparent images to obtain professional looking t-shirt designs. Start by choosing your background color.
These tutorials provide step-by-step instructions for creating transparent images and removing "halos" (the residual specks of color outlining a design that was originally created on a lighter colored background):
Visit our "Images and Graphics" forum and get additional help from fellow shopkeepers: Designing for Black Garments