Snatch: Your grip is too narrow. See the bar hit you on the upper thighs instead of above the pubis? And this may correct the rack, which is very loose. Traps hold the bar overhead, so meet the bar with a shrug.
C&J: Again, grip is too narrow. This will fix the wrist pain. And your jerk is a dip-and-drive instead of a bounce. The Split Jerk