Download it here.

Fixed problem with previous image being shown if ramp changed on invalid size
Added ability to change tabs with Ctrl-1 and Ctrl-2
Added ability to switch to a fullscreen view via F11 or the menu
Added check to prevent saving on an empty ramp
Added right click menu option to show or hide the selected area fill
Added toolbar button to switch to and from fullscreen

Also, I added some links at the top of this page.