Hey there, just as an info, there is a thread for noob questions too^^ 1: Probably you have a gap right under and above the door, just build a brush and fit it there. you can see the gaps better in the cam view. 2: You could build a brush, place it, copy it like 3 times and then copy all 4 together til you get what you want. There are different ways, what kind of stair would you like? Ah and you can use the stairs from "Create Model- Darkmod/architecture/stairs 3: Sure you can choose just one wall and paint the next one different or you can cut the walls with clipper tool and paint just one part or Shift&Strg&RMB one side of a brush and paint each side different. 4: i am bad with lighting too^^ maybe someone else can help. Edit: Again too slow^^