Back at school this week and working too so it's unlikely I'll get a lot done until the weekend, but I'll see if I can finish the woods tileset by the end of the week.
here's what it's like now, anyway. Only top layer trees and basic ground stuff atm. Still not sure wether or not to leave the gaps in some of the ground tiles, I think it works better for layering the flowers and grass more thickly when you have a grass coloured layer underneath, at least in game maker (what I'm testing it in).
And I will reaarange this once it's done, keep all the ground tiles together etc. Also it works best with an 8x8 snapping grid, but 16x16 works fine for less detailed maps.