[冬の夜ミクさん] DOM のイラスト pixiv is an illustration community service where you can post and enjoy creative work. A large variety of work is uploaded, and user-organized contests are frequently held as well.
Cure WorldCosplay is a free website for submitting cosplay photos and is used by cosplayers in countries all around the world. Even if you’re not a cosplayer yourself, you can still enjoy looking at high-quality cosplay photos from around the world.