I also played around with the building of the eye. The original collage has no outlines, so I realised I had to camouflage any eyelids with the main eyeball. I built a perfectly spherical eyeball and 2 eyelids, making the eyeball a little smaller. Then, with the geometry grouped up I reshaped them to exactly match the collage with a lattice.
I managed to group the set so I can both keep the eyeball in its correct shape, keep the eyelid firmly attached to the eye as it blinks AND squash and stretch like a little bouncy ball!
Finally I just wanted to see this thing in a base colour, playing with whether to use a 'Surface Shader' which creates flat colour, or a 'Lambert' which allows for shading.
Though the surface shader looks attractive from the front, you lose all sense of the 3D as you can see from the side. However this might be alright once the proper textures have been applied. Before that however I shall have to tweak the eye stalk attache dot the nose and UV map the shape!
Surface Shader Lambert