Print your own cushion covers with potatoes and fabric ink
Set Of Cloud Moon And Star Pillows Kids Pillows by ProstoConcept
I like this so much better than ties. Could use toggle buttons strung on cord sewn into the seams of the seat cushion construction.
DIY Lace Trimmed Tee Shirt Tutorial from A Pair & A Spare. This tank top restyle, trimmed with lace, is a so cheap and easy to make. No sewing machine is needed - just lace trim. For a huge archive of tee shirt DIYs go here.