nmaD, nmaD, nmaD, nmaD. I take it all back, it's not quite the total disaster I was thinking it would be. I've painted the lines grey (which I always thought I might have to) and outlined the white heads and praise be, I can live with it again.
Also managed to finish another new exciting wallpaper landscape (this time with broken cowboy doll - yeehaw! cos that's what they say, although being as this is the lone ranger that's very wrong)