I have frequently mentioned that I get my inspiration from the many talented ladies who share their ideas on blogs. Mojo Monday is a wonderful site, and the sketches are so much fun. Check them out for great inspiration.
These cards are pretty much the same, just turned the designer paper around. When you cut a piece of paper in 2, why not make 2 cards...it really doesn't take that much more time, and you never can have too many cards.