That’s not what I’m talking about. I wanted the same effect as you get on MS Word when you highlight text. Creating a coloured background behind the text. It’s

That’s not what I’m talking about. I wanted the same effect as you get on MS Word when you highlight text. Creating a coloured background behind the text. It’s a pretty common effect on posters and similar things. The best you can do in gimp is fill the entire text box background, but that doesn’t look good at all on multi line text where you want it to fit each line properly.