Screencast.com is TechSmith's private image and video hosting service. A person can store their content on the servers for personal or commercial usage at no charge. The free site offers control over privacy levels, links for content URL's and embed code, content view numbers and allows other users to comment on videos. Free accounts receive 2 GB storage and 2 GB bandwidth, but they may purchase more.
Camtasia Studio is a comprehensive program for creating instructional or other videos using screen capture. The interface is accessible to all users at all levels, from novice on up, and the finished product you can create with this app will have a truly professional feel. You can test out Camtasia Studio for free for 30 days. After that the full purchase price is $299.