Board Thread:Support Requests - Designing Your Wiki/@comment-5556688-20121216211604/@comment-5556688-20121218202748

Ah, thank you. It's exactly how you said. You simply change the image to what you want, that causes it to be uploaded to your local wiki database. Then you simply look for the file manually (i.e. Badge-luckyedit.png) and either upload a new version, or overwrite the old one :)