Using Power Point: Some useful link
Microsoft PowerPoint by Internet4Classrooms: The web portal which we call i4c is free to anyone who wants to find high-quality, free Internet resources to use in their classroom instruction. The portal is available to anyone with an Internet connection. No subscription fee is charged.
Power Point in the Classroom by ACT360 Media Ltd: The PowerPoint in the Classroom tutorial is available, free of charge, for reprint purposes to nonprofit educational organizations
PowerPoint -- Creating Classroom Presentations by Education World [www.educationworld.com], the Educator's Best Friend, offers teachers, parents, students, administrators, and school technologists a place where they can start each weekday of the school year with a wealth of new, practical content. Education World now incorporates SchoolNotes [www.schoolnotes.com], the leading school-to-home communications platform.
PowerPoint Tutorial by Mark L. Merickel of Oregon State University provides this terrific PowerPoint tutorial, which includes lots of graphics.