Flying on a dragon mount I'm not sure about - the flying dragon tails in CEP sit above the player's head, though perhaps the models could be z-adjusted to look OK.
CEP has a flying phenotype (Superman-stylee) which doubles as swimming.
C.R.A.P. has climbing animations for ropes and holes. There are corresponding scripts in CEP, but I had to tweak them.
Failed Bard made some even more adventurous
climbing & jumping animations.
There's probably more. I imagine Project Q has most / all of this, too.