I asked you to use two or three camera apps in Class 3, and two of them have an in-app gallery that might hide shots you've taken. Especially Camera+. vividHDR also has a gallery but my suggested settings saved to Camera Roll and it's gallery.
Galleries allow you to edit your photograph or make several version of a photo then save to the Camera Roll where the real workflow begins.
In Camera+ look in the lower left corner for a daisy-like flower icon, tap it to open the Lightbox (aka in-app gallery). In vividHDR swipe from the left edge of the screen to reveal your saved photos.
Our site now has a new page called Videos where the Playlists will be updated. This one page will make it easier to find new videos or watch reruns on demand ;-)