Powerpoint Uses in the Classroom

http://iteslj.org/Techniques/Fisher-PowerPoint.html

This article gives some considerations for using ppt in the classroom, not only for a presentation, but to review material, for tests, practices and drills.
There is also a link that provides some tips for using ppt.There is also a link for PowerPoint presentations for ESL/EFL students:
http://iteslj.org/t/ppt/
It offers useful ppts on: root words, pronunciation blends, prepositions, etc. My school just received the "wireless computer lab", bye-bye desktops! My ESL student would benefit greatly from these types of ppt's, which help reinforce skills being taught through other mediums!