The scavenging approach helps teachers begin experimenting with multimedia even on a low budget and with scarce resources. And such an approach might not be a good thing.
Multimedia is a challenge.
The hardest way for a teacher to tackle multimedia is to tackle it single- handedly. No human being has enough fingers to press all the buttons, enough expertise to master all the myriad components of multimedia, or enough time to look after all the scrounged equipment. Call on your fellow teachers and enlist the aid of your students. Your fellow teachers can form a support group to help you cope with multi- media in your classroom. The same philosophy applies to students.