SAVE UP TO $30: Aura digital picture frames are on sale at Amazon for up to $30 off depending on size. The 10-inch Aura Carver digital frame is on sale for $159, down from the normal price of $179 and the 12-inch Aura Aspen is on sale for $199, down from the standard price of $229. $159 at Amazon $179 Save $20 $199 at Amazon $229 Save $30 It's a struggle to land on the perfect Mother's Day gift . Moms have a tendency to either say they don't want anything (do not fall for this) or actually own pretty much everything you can think of gifting them. Instead of buying them another pair of pajamas, go big this year and get a digital photo frame. Some great options are on sale today at Amazon. As of April 22, Aura digital picture frames are on sale at Amazon for up to $30 off depending on size. The 10-inch Aura Carver digital frame is on sale for $159, down from the normal price of $179 and the 12-inch Aura Aspen is on sale for $199, down from the standard price of $229.…