blen, still having problems with getting dramatic lighting? hmm. well maybe instead of trying a cool color that contrasts with a warm color, you need to try a cool color that contrasts with a slightly less cool coler. i.e. use a shade of purple and blue. taht way the whole scene still has a cool tone but there is a bit of movement in the color.
here's an idea to test:
keep the skylight simple and then add some point lights that shine on particular areas of the scene. For instance, you could make the rocks in the distance lit by a different color light than the ones up close. Even getting the fog itself to be a different color from the rest of the scene might be real good… or getting it to have a two-tone look.
honestly, you may find that its just really hard to turn this piece into a work of art. You originally designed it to function as a splash screen and you nailed it on the head. Its a beautiful splash/bg piece! But turning it into something else may be really difficult. shrugs Just pointing out that you shouldn’t work against yourself But anything is possible if you get the right help and keep at it.
p.s. Texamosics is right about the clouds. They are too thick now. They looked better in the original.