Submitting Powerpoint templates?

i have this picture that i made on mspaint and i have a powerpoint project the picture that i made is the perfect template and my teacher said so too, but the only problem is that it wont let me submit it, it says that i need the right file type or something|||Just keep adding more slides untill your finished then press file, then save-as.|||change the image to a jpeg file (imagename.jpg) You might have saved it as a bmp file.