Can you guess? Ahem. Penny sock yarn dyed with inspiration from Hundertwasser. I had such a grand time doing these. They're bright and pretty and such fun. I'll give you some links to check while you're waiting for the yarn pics.
Imagine Tomorrow's World
Hommage a Van Gogh
The Blob Grows in the Flower Pot
Memory of a Painting
That should keep you busy.