I don't see anything out of the ordinary, but I'm far from a trans guru. Does the center shaft have a lot of play in it? The gears look okay from that pic.
'87 YJ, 4.2L built and bored, 8.5" of lift, 8.8 rear, AX15/NP 231, Tom Woods drive shafts, Flat fenders, 12,000LB winch, Custom bumpers, Rattle can paint job. Never completed...