Have you considered covering the tables with outdoor grass carpet? You can get it at home improvement stores. I've used this for sporting events. It is fun, different and reusable. Check out Oriental Trading Company online for their inflatable baseballs (beach ball size & $9.95/dz) - they would be cute hung from the ceiling like paper lanterns. Or buy inexpensive white paper lanterns on Ebay and paint red lines for stitching. Or hang paper lanterns in your school colors. Oriental Trading Co. also has these broken glass baseball clings for $7.95/dz. They would be fun stuck to glass vases filled with flowers that match your theme colors. They are 3 dimensional. It would add a bit of humor to the party. Finally, consider using pendants in your decor. Good luck! ... View related article.