Another great was to generate some income and supply users with a product is to use
CafePress.com : Sell Your Designs, Photos and Images on CafePress.com : Introduction
They print your artwork on tons of items. T-shirts, Coffe Cups, Stickers, Mouse pads, etc...
You could make a reference chart or something for a mouse pad. Your logo is great and you could use it on a mug.
Check the site out. There is tons of stuff and you don't have to ship it!
As for a camera strap that would be neat too. Wonder if a google search for lanyard would get you started in the right direction?