Welcome to the T-Shirt Forums.
Since you asked, here are some helpful suggestions:
I think the flash site is going to hurt your search engine positioning, and that will hurt your sales potential. I would suggest ditching the flash for the ecommerce/ordering stuff and getting a proper shopping cart that will allow you to accept paypal without those popup boxes and provide a more streamlined shopping process.
I would have picked a different name for my site if the .com wasn't available (or made a serious bid for the .com if I was stuck on the rudegear name).
You really need more information on the site to help get shoppers to buy:
- Company contact information (not just a yahoo email address)
- Sizing charts
- Company history
- Payment methods accepted
- Return policy
You'll probably want to fix the typos on the page. The first one I noticed was "want to stirrup controversy". Stir up should be two words.
You're in a saturated market there (offensive t-shirts), but it looks like you've got a pretty good start.