Shutterfly offers a customizable photo mouse pad or two 8x10" photo prints for free via coupon code "SWEET". With $2.99 for shipping, that's up to $10 off and one of the best freebie deals we've seen from Shutterfly.
Also available via the above coupon is a customizable photo magnet for free plus $3.99 for shipping. That's up to $15 off and another price low. Deals end July 13.