Get some paint thinner and paint the walls with it? Acetone (nail polish remover) works great on metal miniatures. . .
paint thinner wouldn't cover or get rid of the graffiti..it would just make the colors run together creating a very ugly brown color...and i'm not sure what metal miniatures have to do with anything
You could always wallpaper. Or paint a design on the wall that works with the grafitti.
Did he look at the place before he rented/bought?? If so, shouldn't the landlord be painting over the grafitti or at least paying for the paint?
wallpaper it too expensive and we would still need to prime the walls because the graffiti would show through..its that bold.
as for designing around the graffiti...it litterally has the most obsene sayings and body parts painted all over. i don't think it's something anyone could live with.
and the landlord is paying for the paint...my brother is getting his first two months free for actually doing the painting.