There are many tools beyond Camtasiawith Powerpoint coming into play these days. One shown here is designed to mainly be used to set up Viral Videos. It uses templated structures to create presenations. It is also possible to create animations with an add on. It is a light application and can be acced via the web and workable on devices such as Ipads. 

Sparkol Review for Viral Video Marketers Launched By Popular Online …

“With many marketers curious about the platform, trafficandleads.com has created a comprehensive review of the video creation software and how the average person can use this program to create interactive, high-quality video presentation. Quote end …PR Web (press release)”
http://www.prweb.com/releases/ViralVideoMarketing/SparkolReview/prweb9722737.htm

 If you have limited time and don’t really want to spend time or money (over $300) on Camtasia plus Powerpoint, apps like this may be an answer. However, if you want to create video courses and have a fully functional editing capability,  applications such as Camtasia would be better for you. Jing is also an option although going forward it will not be supported as Techsmith are merging it with Snagit.