Flowers would be fun, especially if you had them delivered for your daughter to the sorority house. They will be placed in the foyer-and everyone will be curious (and a little envious, but in a good way) as to who the flowers are for. If the sorority flower is not readily available in florist shops (my sorority's flower is the white violet and is very hard to find) you could do flowers in the sorority colors, or just white flowers with ribbons in the sorority colors. Garnet and Gold (on Pensacola Street a block from the stadium) has a greek shop and they may do baskets. Phone # is 850-222-1378. I also found an online shop that has cute things(disclaimer: I have not done business with this company, but they have awfully cute and different designs)
http://www.greeklifegirl.com/