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(+2)

Ha! That would be really fun but I have no idea how to do that at the moment. 

If it's easy enough to learn than maybe? 

(2 edits) (+1)

I'm not entirely sure how it works myself.
But from what I can gather, the formats
you can use are GIF, Video, Scenes (in-engine built), and WebGL (or HTML5).
It might just be as easy as some editing the unity project for auto-play and exporting it as WebGL.
The only downside is lewd stuff is against ToS for Wallpaper Engine, so a few things would have to be SFW'd (nothing said against innuendo ;) ).

example of functioning WebGL: https://steamcommunity.com/sharedfiles/filedetails/?id=1116014641