The first thing you need to do is to host you powerpoint/videos on either slide-shares (for PowerPoints) or Youtube (for videos).
To host a powerpoint on slide share:
Step 1: Create an account at slideshare.com (Keep your login details safe and make sure you can remember them for the future, we will be using it again).
Step 2: Upload your powerpoint by using the upload tool in slideshare
Step 3: copy the embed link that slide-share gives you when you click the embed link (circled)
Step 4: Paste the embed link into the "HTML" window on a new post entitled "Evaluation of Presentation. (Remember to click back to "Compose" to write in your evaluation below your embedded power point.
Your evaluation should contain 3 WWWs and 3 EBIs about your presentation. Be critical!
If you get stuck with any of this, let your teacher know as soon as possible so that they can help you before the deadline.