While roaming on Moonlight's website I found this, which I don't remember from any of his mods (the ones I know, that is):
(https://www.sc4devotion.com/forums/proxy.php?request=http%3A%2F%2Fi1129.photobucket.com%2Falbums%2Fm513%2FTaryelle%2FA%2520SC4%2520Images%2520transfert%2FMoonlight%25201_zps2s37felj.jpg&hash=57acf65a836bc59b5cb6e0b90474b725cc7bc021)
the accompanying pict is this (taken while UDI-ing, I assume-- I never do so I wouldn't know) :
(https://www.sc4devotion.com/forums/proxy.php?request=http%3A%2F%2Fi1129.photobucket.com%2Falbums%2Fm513%2FTaryelle%2FA%2520SC4%2520Images%2520transfert%2FMoonlight%25202_zpsgll8gfb6.jpg&hash=09968c61a4cfb2f65ee506a39d3c373e0de897e4)
But I never could found a download button. Does it look familiar to anyone here ? Can it be DLed somewhere ?
I have a hunch that those might be Buddybud's underpasses. I'm not sure where to download them and I don't think they were ever fully finished, so only beta versions exist.
BuddyBud's underpasses beta. a quick google
http://wiki.livedoor.jp/masahiromirai/d/Buddybud%20Underpass%20Beta
Thanks, compdude, and Dublin for googling it-- I saw your post just as I was going to !:-)))