I thought this was a very engaging and interactive stand-alone. The audio and review components are done very well. The photos in the presentation really are visually fun!
One area that might students while thinking about the blog they will write is to add a review slide near the end so the quality items are fresh in their mind before they start to compose their own blog. Maybe even a links or examples of blogs written by other students their age as an idea what an active blog looks like. This would help some of your more visual learners.