Something you can should do, train your crew to work the mainsheet upwind, this will allow you to concentrate on steering, wind, waves, etc. This works very well in big wind, where one hand on the sheet is not enough. Have him/her hand it back to you just prior to a tack, then as soon as the crew is back out on the wire, give it back to them. You will be free to adjust the traveler then.

Also, train you crew to stand up on the tramp, reach up the mast and pull stratight down on the spin halyard, instead of kneeling on the tramp pulling backwards, smacking you in the chin with their elbows. <img src="http://www.catsailor.com/forums/images/graemlins/blush.gif" alt="" /> The spin will come right up in about 3-4 good pulls.