Grammatically speaking, you might be best off with, Make good-looking pictures spectacular. Or: Turn good-looking pictures into spectacular ones. I thin

Grammatically speaking, you might be best off with, Make good-looking pictures spectacular. Or: Turn good-looking pictures into spectacular ones. I think "good-looking pictures" is an awkward phrase that negatively affects the whole sentence. Personally, I would go with: Turn a good image into a spectacular one or, brevis: Make good images spectacular