Yeah in cambs, But yeah I kinda did mean the Moot. But I am sure we could always arrange something before if you wish.
Boots wise for the last 4 yrs (except last moot as I have changed to VivoBarefoot shoes) I only used a pair of Clarkes desert boots (leather, not suede). They get a bit wet, but dry so fast as they are unlined. With the right socks I never had the wet foot feeling! This year I will be using swim-run trainers (fast draining, quick dry) mostly, probably..
The 4.5 x3 is a pretty large tarp, but you could be prone to driving rain entering if a storm comes down (which has the last couple of years!) and if you pitch with a porch, you will need to very careful to avoid pooling. We have had a lot of experience with pooling!!! For harsh weather hammocking the 4x4 is far better as it protects the ends of the hammock much better, its what I use and never an issue. You can always improvise some cover at the ends with clever use of bin bags if it gets really bad! We have a few times.... Our tarp set-up is somewhat, umm, unconventional.... LOL.