Pick any two or three notes from the scale in question, and improvise some simple progressions over your backing tracks. Try to make your progressions as interesting as possible using only the handful of notes you've selected. When you've established a groove that you're happy with, gradually add other notes from the scale.

When you become confident with this exercise, record yourself doing it. You can then take the progressions you've come up with and arrange them into licks, runs and motifs. This way, you'll compose a solo that sounds natural and distinctive.