Tutorial to create a new image for menu:
- First find an image.
- With Gimp, open image and check there is a alpha channel. If not add one.
- Convert image into back and white (Menu Image - Mode - Grey levels).
- Use the degrade tool with option:
- Erase color
- Opacity: 50 +/-
- Offset: 0
- Shape: Linear Il est possible aussi d'augmenter la transparence globale depuis le calque.