Amazon has several different specials on cameras, digital frames and more.
All B&H special for Mother's day can be found here.
Some Canon deals are available at Adorama. Two more offers: $200 on select Samsung cameras and $100 off on the Sigma 70-300 lens.
eBay is offering free 1 day shipping (offer ends May 9th).
If you like some of the photo gadgets at ThinkGeek, you can get $20 off with the coupon code 20SMACKERS (valid till May 12th)