You can customize Lunar Magic's toolbar to use your own images for the buttons. Just create a 256 color bitmap with a height of 16 and a width of 560. Leave the first 16x16 button blank, and fill in the rest based on the order of the buttons in the toolbar.

Rename your bitmap file to "Lunar Magic.ff4", and place the file in the same directory as the Lunar Magic exe file (make sure that viewing file types is enabled on your computer so that you don't end up renaming it to "Lunar Magic.ff4.bmp"). Then the next time you start Lunar Magic, it will use your bitmap to draw the toolbar buttons.

For the overworld editor toolbar, use a bitmap with a width of 400 and rename it to "Lunar Magic.ff2".