Walked a mile, warmed up, got some sun.

Tree Work:
2-3 sets each, 6-10 reps
Hanging Leg Raises (video)
Hanging Curl Ups (video)
Feet Walk Ups (video)

Ground work:
1-2 sets of each, 5-8 reps
One Arm Push-up (video)
Alternating One Arm Push-up (video)
Knee Tap Push-ups (video)
Star Push-ups (video)