Mostly on the random I suggested a skinning contest over in ut99.org and it was rapidly hailed as a great idea.
Currently fleshing it out · https://unreal-games.livejournal.com/127350.html
Skinning contest has started, official thread here · https://ut99.org/viewtopic.php?f=13&t=13996
To take part you need to be a member of ut99.org, if you're not already you can join them just for the contest... maybe stick around after if you like too.