You may download your photos from the gallery and use them however you would like as long as you dont try to remove the watermark or sell them, then thats stealing. That means you can use them on cosplay.com, deviant art, etc without asking.
Masq skit videos are in the downloads page. You may download and use however you want except re-upload to any video site or attempting to sell or remove the watermark.
It’s a pity that people don’t realize the importance of this information. Thanks for posing it.
[...] like the smaller more un-obtrusive watermark. Just remember that if you like your photo please buy it from us! Its cheap and helps us keep getting to all these conventions so we can make you look [...]