User blog comment:Kirkburn/Photo gallery launch/@comment-1025281-20100326080037

Brandon: For the old editor,  in the css will make sure the button doesn't appear. There is probably no easy solution for the rich text editor, however.

Archduk and Sulfur: Background should be able to be changed by altering "div.thumb.neutral" or even just ".neutral" e.g. . The button can be removed with , but I don't know why you would need to do this...