The Wargames Table has a nice article on touching up some basic resin walls to make them look more realistic.
painting
Painting Fur
Pinatwar has a useful post on painting fur.
Painting Reaper Bones Skeletons
The 1000 Foot General has a photo tutorial on painting skeletons from Reaper’s Bones line.
15mm Painting Advice
Zrune Lord has a brief photo tutorial on painting a 15mm orc. I find it interesting that he uses inks on his 15mm figures. I’ve never tried that, instead relying on blocking and dry brushing.