For some reason, I can't see your picture(s). I'm curious about how you mount your oil cooler as well...
I understand that using the engine-side line that returns oil to the tank is a nice trick. Direct it to the cooler and return to the engine. I'm told it's not high pressure and at it's hottest... I may try this if I go 850cc. Also, AutoZone seems to have power steering fluid coolers for 20 bucks. They're part # 911009. Now who's gonna make a nice bracket for all us folks that would like to do this?
Autozone part: