Alright, guidelines for icons:
Toolbar icons MUST be 16x16 and 24-bit or less colors (32bit are nice but aren't really useful because VB doesn't support them).
They MUST be in BMP, ICO, GIF, or some other format suitable for icons. JPEG is unacceptable. (BMP or ICO is preferred, since I can't convert from anything but the most common formats. This also means don't go sending me your photoshop files).
Main icons like the application icon should be similar but a 32x32 icon would also be needed. all other rules apply above.
Also, a new splash screen would be nice. Keep it about the same size as the current mapper's splashscreen (a little bigger is fine, but not real big, and no smaller). Don't put any text like "Loading" or version numbers or anything, if you want to have it say OP2Mapper or Outpost 2 Map Editor that's ok. Keep in mind the "Loading" text will be in about the same position as it is currently, and same color too. (So it should be readable). The upper right of the new mapper splash also has a version number in red.
BMP is defo the best format to do this in, but JPEG (if you keep the jpeg quality high, like 7 or higher) is okay too for the splash.
I would prefer BMP's for all of this stuff however, since I may need to reduce colors/edit palettes/and need to put them all into a single image.
For the toolbar images, do not use magenta (R:255 G:0 B:255) as a color, or it will not show up in the toolbar. (I use that color to mark the transparent areas).
Again, thanks, if you're able to do this.