Edutopia has put together a fine resource for anyone interested in teaching online at the k-12 level.
Expert advice on shifting from brick and mortar to bytes and bits.
If you're interested in taking your teaching skills online, there are several ways to go. Some make virtual teaching their full-time occupation. Some do it part-time, moonlighting for extra cash and experience. And more and more, traditional teachers are becoming switch-hitters who bring the best online strategies to their face-to-face classrooms.