Black & White Painted Pumpkins.
This is another bleach pen shirt suggestion. Take one dark T-shirt and cardboard placed in between you take a bleach pen and write a saying of your choice. Once you are done writing make sure to wash the shirt by itself to stop the bleaching process. You could also use this idea to do monograms, single letters in a fancy font or someone's name if you like. Cheap and easy to do!
DIY burlap message board. she used a canvas, burlap, and upholstery nails. sometimes clearance canvas art at walmart/dollar stores can be cheaper than buying new canvases & you're just covering it so doesn't matter what it looks like.