Cute idea for old keys... Add a Chain and Glue an old earring, broken piece of jewellery , etc.... your choice. Now you have a cool necklace, ( wear many at once ) ... OR ( hang from bracelet, anklet etc )
If you're new to painting, I would HIGHLY recommend visiting All Things Thrifty and read her post Painting Furniture 101. This is where I started and I am sooo thankful for this post to set me in the right direction. Check out her piano transformation here! it is TO DIE FOR!