*Don't cast on so tight. No on wants a scarf that visibly reflects your need to control things to the nth degree.
*Weave in your ends as you go along. You'd be surprised how many there are. Or, just leave it as some funky side fringe.
*If you can avoid it, don't use wool on metal needles unless you're going to learn to purl backwards. With all the flipping aorund, those stitches love to fly off he needles like the sychronized swimmers in an Esther Williams movie.