Lorena Cosba-could do this with students-a self portrait, and a contrasting image to show what's underneath. Note: Transformation in time peeling off effect layering the same face but in different time.
Embroidered postcards of landscapes WHO? American Artist Shaun Cardinal WHY? Cross curricular link with stitch, interesting idea of doing a series of piece using a different geometric pattern each time.
Take a mug shot style photo. Rip out the eyes rip out the mouth rip it in half shred it into as many pieces as possible and collage them do the thing in the pin out the face and stick it back upside down