broken please help

Up: Me on Lockout. Notice there are no snowflakes. Down: a random vid I found on YT. Snow falls this time. Does anybody know how to fix this? Are there any more problems with the visuals like this? I can be more specific if necessary. I would really appreciate it.

Whenever I try to make an account it just says error! The picture is too large to upload but whenever I click create account after entering my details it just loads for a minute or two and then says "An internal error has occurred we've probably noticed this already but contact an admin if this...