Jedi robe tutorial I'm using to make my costume. (Can't believe I didn't pin this sooner - sorry!)
Adult Darth Vader Cape Pattern
Corset "jacket" $419 coat available on damseldress.com
That boo one is the cutest thing i've ever seen in my life
How to Make Craft Foam Armor for Women | Magpie's Wardrobe | SFX makeup and costuming
DIY: How to Make Horns. I'd imagine you could smooth it over later with fabric, or light clay, or mesh too!
Female Catalog | Creative Custuming & Designs
Fur mantle by Battle Ready
FitzBirch Crafts: The Legend of Zelda - Link Hat
This woman's tutorial/walk-through on how she made her costume wings is *amazing*. Awesome creativity, and some pretty badass engineering! Might come in handy someday.