I've made one for birthday and one for Halloween. I never come up with unconventional ideas for this challenge, but the Halloween card was the first thing that came to mind after the traditional birthday card.
I used similar colors on both cards which made for easy decisions. Glitter paper for the die cut birthday balloons, and a Kaleidacolor pad to stamp the confetti. Worked out just great! I'm thinking these colors would be good for a fall birthday.
(Impression Obsession Ballons, Old Uptown Designs birthday sentiment, and old Stampin' Up! Background Basics confetti stamp)
Now, for the Halloween card... The balloons became ghosts when I put them in the square frames and added googly eyes. The largest ghost has part of a balloon string for his crooked smile, and the mid-sized ghost has a mouth made from one of the inner pieces that pop out of a balloon string die when it's cut. 1/4" punched circles behind the googly eyes. I gave the spider googly eyes, too, so he wouldn't look quite so fierce.
(Same Impression Obsession Balloons for the ghosts, Cheery Lynn Designs Happy Halloween Twiggy Wreath for the sentiment and spider, Cheery Lynn Spider Net, Cottage Cutz Double Stitched Square Set)
That's it from me! I hope you'll hop over to the Twofer blog, get some ideas, leave some love, and consider playing along. Have a happy day!