Answers to above questions:

1 - Most tackle stores

2 - 2 - 2/0

3 - Green/white, blue/white, black/white, color doesn't seem to matter all that much.

4 - Yep, that's a good way to rig them, or use a flyrod.

5 - Yes, troll very fast and let those flies skip on the surface, just behind the propwash.