Wether you have rusty old muffin tins at home, or find them at the Salvation Army, you can easily create planters for succulents as seen in this photo. Or why not herbs or starting sprouts?
Find the full tutorial here.
Maybe you're planning a get together, or just like having tasty citrus ice cubes on hand for hot summer days...well tadah! Full ingredient list and tutorial here.
The shabby grace blog repainted an old muffin tin and reused to as a drawer organizer.