01-05-2012, 03:56 PM
I assemble sprite sheets in GIMP, since it's free and powerful.
Import individual images/sprites as layers, use rulers to to make everything line up nicely, and then export everything as a PNG file to preserve the alpha channel (which is transparency).
Import individual images/sprites as layers, use rulers to to make everything line up nicely, and then export everything as a PNG file to preserve the alpha channel (which is transparency).