I am loving that retro homebrew terrain! Nothing says alien world like the classic toothpicks-in-foam-ball terrain pieces. Every veteran 40k player has one of these lucking about in a dusty closet.
Goatboy here with my top three pet peeves on the Warhammer 40K Tabletop. We all need to work on these!
If you were looking for a way into the 40K hobby, this is the new best place to start.