Can you send some more pictures of both mounts? This is great!
Sorry for the delay, I just saw this.
I'll get some more pics when I get my 'Cruiser back--it's on loan to my cousin while his is in the shop getting head. . . uh, a NEW head I mean.
To keep you interested without pics as yet--those'll be in a dedicated post--I just traded my wife's Liberty for a '02 TJ, been fiddling with stuff for that that's universal in nature:
Got a molle camelback knockoff, took off the shoulder straps (stuck 'em inside in case I gotta go afoot) put a strap through the top loops, put that 'round the headrest of the passenger seat, some mini-bungees to the bottom of the seat and viola! Onboard hydration. The molle system allows me to attach my first aid kit, a utility pouch with t-p in it and up on the top a padded 3 mag AR-15 pouch that works rather brilliantly for holding sunglasses. Over the limit a I've set it up at about $100 but that includes the first aid pouch and all the stuff inside it, under for just the camelback and liner.
I really like this one, nearly free. For years I've hooked the handles of a plastic grocery bag over the corner of the glovebox for a trash bag. Works, but seems to fall off at the worst moment. So, get one of those tiny carabiners that come on key rings and water bottles, clip it into one of the lower molle loops on the camel back above (or wherever) then clip the handles of the bag into the 'biner. Viola! Stay put trashbag.
Cargo nets cost about '$80 and up so I got 200' of paracord (tan and green to match the Jeep) took two strands about 12' long, tied an overhand knot every 3", cut that at 42" plus 8" of 'tail on either end, looped a double 40" strand with a larks head over each knot, then tied the strands into a web pattern, tying off the bottom with water knots. I don't like the way the guy did the edges on the video 'cause the net parts will slide on the larger rope, thus my knotted double strand>
https://www.youtube.com/watch?v=7WDTK5erYuE
At present this is mounted to the roll bar with bungees but will require less stretchy mounting. $20 and about 2 1/2 hours watching tv and tying knots.