Hey Nordous, would it be cool if you join Deaf Blind Dave's map making guild? Would be really cool if you set up your own stuff in here: http://cegmb.englishboard.net/
Use the sliders 'weight' and 'hardness'. Turn them down to about 10,
then paint the ground texture and it will blend in with the snow.
Then add some black colour to the centre of it - also using the sliders in the 'Ground Colour Paint' mode.
Levelling the ground can be done the same way by using the sliders to lower or heighten the ground just a little.
Also I have a question. Is it possible to make maps bigger than what the native terrain code generator allows? IIRC its possible, and has been done before. Early days of beta pop into mind.