can we import an image (designed in other program)
to our code to be a background to our game.
ofcurse in openGL
please rply as soon as possible

OpenGL has no knowledge about image- or fileformats you have to write that on your own (or use a library).

Loading .bmp and .tga files is quiet easy and you will find lots of tutorials about that at

Of course this really belongs into “OpenGL coding: beginners” section on this site.