Imagery - Best quality

Hi People,

I still have not figured out what the best way of dealing with imagery is.
Upfront, I`m trying to avoid to load the dynamically (there are only 2 in this project and I rather have a compact structure). BUT on a sidenote, which fileformats can be dealt with when loading dynamicall jpg, and …

Everytime I render the fla, the pic does not look like it was in e.g. photoshop. Do you have an idea.