I use Clipart.com and pay for clipart -- here are some images that I think would be good for the tee-shirts. We are indeed allowed to use these images vis a vis the small print below the images: (the only problem is that they are all a heck of a lot taller and thinner that me. sigh.)
Feel free to use Clipart.com content in commercial or noncommercial projects to create Web pages, T-shirts, posters, book covers, art, advertising, newsletters, presentations, ... you name it provided that you follow the Usage Guidelines below!
Permitted Uses. You may, subject to paragraph 2(f) below:
Back up, and store, single Image(s) as necessary on a single server for archival purposes only. Any copy or archive you make must include copyright notice pursuant to paragraph 2(c)(ii).
Use the Image(s) in any electronic or print media, including advertising and editorial use, provided such use is not intended to allow the re-distribution or re-use of the Image(s).
Use the Image(s) in any items for personal use or resale, including book covers, calendars, consumer merchandise (T-shirts, posters, art, etc.), provided such use is not intended to allow the re-distribution or re-use of the Image(s).
Prohibited Uses: You may NOT:
Sublicense, distribute, transfer or assign the Image(s) or rights to the Image(s).
Reverse engineer, decompile, translate, or disassemble any part of the Image(s).
Copy or reproduce the Image(s), except as specifically provided for in paragraph 2(e).
Remove any copyright, trademark or watermark from any place where it appears on the Image(s).
Display the Image(s) in any digital format or for any digital use at a resolution greater than 72 dpi, except in editorial or preliminary design work. Doing so will be viewed as an attempt to distribute the Image(s) in violation of this Agreement.
Use the Image(s), or any part of the Image(s), as part of a trademark, service mark, or logo. JUPITERIMAGES retains the full rights to the Image(s), and therefore you cannot establish your own rights.
Use the Image(s) to compete with JUPITERIMAGES. JUPITERIMAGES is in the business of licensing images to its customers. It is the specific intent of this provision to prohibit you from using the Image(s) to enter, either directly or indirectly, a similar or competing business.
Use the Image(s) in a product or service whereby the Image(s) can be used apart from a product or service.