let's start with just a downright good DIY.
this below is $65 worth of $1 bills for my cousin's 65th b-day. it was made by our other cousin. beautiful! can't wait till i turn 100!
next, this is FANTASTICALLY bad design/planning! love it! we watched a guy, from our windows at work, take his time (about 3-4 days), measuring, and making sure everything was straight. then sticking the letters on perfect... sticking BLACK letters on glass, mind you. that was difficult enough to read. but now that the sun is in a different part of the sky, well, check it out: