User blog comment:Francisco213ed/Total Drama Island Ranking/@comment-5947063-20140201234714/@comment-2181164-20140201235640

Images aren't owned by you, they're snapshotted from the episode itself. And once you upload them to a wiki (and they're not fan edited), you can use them for any purpose. Plus, the uploaded images they you are using aren't uploaded by you, but been on the wiki for many years.