My images I put on screens won't show

[avpinc]

I do design work for stages for events. when i use ambient occlusion my images i have put on screens dont show up or they are very dim or blurred. does anyone know how to fix this?

[DaveR]

Share an example so we can see what you are working with. Are you using the images as textures? This is what I see with an image (on the left) and texture (on the right.