Hiya,
There's two flavours, stock called More realistic periscope 1.3
And, MRP 1.3 - TDW UI compatible
And also MRP Patch Pack for res's
I had in the past used them with and without tdw's newui's
Editidddddddddd
About your newui problem
I assume you d/loaded tdw's newui's, unrarred (7 zipped etc) then copied or unleashed the mod straight into the MODS folder ?
TDW crams as much optional stuff as he can into those ui's, so the actual ui mod is buried deep in the initial unrar etc that itself is called the same as the newui (mods folder iirc)
If so, just go in and find the newui folder (mod) and have fun with jsgme
I come across about four mods like this, tdw's is different as he as i say crams so many optionals in for us, it makes sense to pack as he does, other mods were just double foldered (eg : zed_mod/zed_mod/data/guff guff/blah blah/lol)