Just in time for Father's Day, BuyWithMe.com offers a $30 for $14 at Mug on a Mug. $14 gets you two custom photo mugs or collage mugs. Note that you must place your order by midnight CST on 6/7 to ensure delivery by the holiday. Mugonmug.com features user-friendly tools to help you create a cup for your joe. There is no limit on the number of vouchers you can buy, but note that the full value of each voucher must be used in one visit. Shipping within the continental US is $7.70 for each order of 2 mugs. It becomes activate 24 hours after purchase and the expires 3/6/12.