They look good, just a bit young. Release those skinny walnuts, and let them put on a bit more girth. If you take down some lesser quality walnuts in order to release the nice ones with clean logs, you can cut them into rifle stock blanks or even pen blanks and sell them online. It won't...
No, I don't have enough experience to have a favorite. I do think a blend is better than a single type. Someone above mentioned Managers Mix. It's probably what I would try next if I can get ahold of it. I just buy from Merit because I can go there to pick it up.
Sounds like a good idea. Just plan to have the beans as a summer plot, and any pods that form are a bonus. Plan to broadcast a fall plot into the beans after summer. This gives you the best of both worlds.
Road screen is a good idea. Then add a bunch of Milo to provide late season food as...
The different plants will mine different types of nutrients. The different root structures wil help the soil structure. Adding legumes, especially annuals, will add much-needed nitrogen. Having a diverse mix will help ensure there is something the deer will eat.