Image:Blit(x, y, source, destination)
Draws an image buffer handled by source to destination.
Number x - desired horizontal location.
Number y - desired vertical location.
Number source - image buffer to be drawn.
Number destination - image buffer to be drawn at.
Screen should have been set to visible using Screen:Show() before using Blit function.
function main() {
//declare the variable to become the buffer
Var:Number myheart;
//be sure to create the heart.bmp first
Image:Load("heart.bmp", myheart)
//draw the heart to screen (the primary image buffer)
Image:Blit(10, 20, myheart, screen)
}