I think she could've done a little better job going on the back story of the magnificos. As they held an art contest for the designs, which was won be Wen, a prominent furry ABDL artist.
Linking Lucia's Skyrim Diaper Mod
http://www.loverslab.com/files/file/2766-diaper-lovers-skyrim/
and the Fallout 4 conversion
http://www.loverslab.com/files/file/3177-diaper-lovers-fallout-4/
reviving this old thread. But a long while ago I managed to get the diaper mod working for Sims 3, but in the end it isn't worth it, just a simple re-texturing of underwear.