Here is a monochromatic card that we made in club this month. You take a piece of 12x5 1/2" card stock and score it at 1", 2", 4", 6" and 9". Accordion fold it and decorate it to your liking. I love how this card is different but still fits in our medium envelopes.
All supplies are Stampin' Up! and can be purchased at my online store 24/7 (shop in your jammies)!