In terms of painting I now tend to prime white and then build a succession of layers using inks and glazes - usually GW paints and inks but with added medium and a touch of washing up liquid to help break the surface tension. It helps the model and the paint get on much better I find.
I probably spend too much time basing; I'm currently using layers of woodland scenic flock starting with a dark green up to a yellow green and then I add some Army Painter Swamp tufts, some birch seeds and some found bits of moss to help add some detail. I wanted to create a lush undergrowth kind of feel as the minions of Nurgle slowly creep towards their enemies.
Lots more to update...