To make custom watermark you need a photoshop software like Photoshop or Gimp (freeware)and MBM Wizard
1 - Make your wallpaper, size 240x320 save as 24 bitmap (same color as your watermark, ex. white watermark letter use white background color) save as wallpaper.bmp (or any name you want).
2 - Make your mask, size 240x320 greyscale, put your watermark on the mask, mask should be black, save as mask.bmp 8 bitmap(or any name you want).
Open MBM wizard, (See picture below)
1- Chose your wallpaper first and Add Select as
/c24
2 - Chose mask and Add Select as
/8
3 - On the "Files in Archive" side chose SELECT ALL
4 - Click on FILE and save as watermark.mbm
Transfer to phone and place your watermark in C:\Data\Screenshot
Here's an example
Red wallpaper since I want my watermark to be red.
Here's the mask (Use black if you want it totally transparent) In this case I have a black mask with red fonts (red will not show up as red on black).
End result
