Resource Manager Help

Whenever I try to load something onto RPG Maker 2003 It says
Invalid Color Depth.
What do I do?

First of all you post questions in the Help Thread. Then you take an image and load it into mspaint and save it as a 256 color bmp and then import it into the resource manager.

Okay.Now I can't select my uploaded tileset when I'm cahnging them.What do I do now?

Do this
>>Database<<
>>>Tileset<<<
>>>>Tileset file<<<<
Then select the chipset you uploaded. And while your there, configure the chipset by clicking on Passability and putting a X on solid objects and a O on objects you can walk on and a star for tops of roofs and any objects you can walk behind.

Now when I'm using it,every tile on the Map is all Greenish.What now?