Hey FishyFrost, I never fish around Oyster leases so wouldn't have a clue on how they would fish that enviroment but I do know they are killer on the flats. When using Flick Baits I like to use Gamakatsu fine wire hooks. Around the 1/32 size and a size 1 hook. Other jigheads I use are the Resin Heads and don't forget TT hidden weights when the fish are spooky. My favourite colours are the Pillies followed by Flash Prawn.
Good luck and tell us how you go.