From the list, the project that inspired me was the overlaying of multiple photos form slightly different angles. I used a lot of photoshop technique such as layer mask, saturation, and opacity. I learned that even the slightest change of angle can really affect the way you see it so getting the picture at the right angle is very important. I also used depth of field to change the angle slightly.
Overlay multiple photos from slightly different angles, like these experimental photographs by Stephanie Jung: