Well, there are some pages on that on this very site, look in the jazz theory & impro section of the main site. Also the Jamey Aebersold books have some info on that.
It can be very useful to learn what scales fit what chords, I am now of the opinion that a better long term approach may be to learn the chord tones inside out first, then fit notes in between them to make the scales. I haven't yet completely updated my site to refelect this change yet,