User blog comment:Gundam Legilis/Spoilers and Images/@comment-4403232-20140501132530

A user uploading fan art of the opening is really no different than if a user uploaded a drawing of a scene before the registered user release. However, due to the fact that is an understandably gray area, the images will be deleted and the user will have it explained to them if it's the first occurrence of them doing so instead of the two hour ban permitted by policy.

Since models of characters already announced are not a spoiler and weren't stolen from Monty, I see no issue with adding them if they're of proper quality.