Some of you may have seen this before as it's almost 2 years old, but it recently got posted to my local SF fan group's list and I thought it was just brilliant:
Not only did she make this outstanding Weeping Angel costume for DragonCon, but she also helpfully included step-by-step instructions, including in-progress photos (and a final picture of her scaring and attacking Jewel Staite from Firefly). If anyone's ever interested in doing such a project, definitely check out the thread here:
http://www.therpf.com/f24/doctor-who-blink-weeping-angel-costume-dialup-beware-49264/
Just, um, don't blink. :)