http://www.verizonwireless.com/datadunk/ -This is valid for the first 55,00 who register. You have to pick players from the NBA, and each time they dunk during the playoffs you’ll earn a point. For 0-9 points you get No data reward. 10 points earns you 100 MB of Verizon Wireless Data. 30 points for 200 MB of Verizon Wireless Data.  60 points for 500 MB of Verizon Wireless Data.  90 points for 1 GB of Verizon Wireless Data. 120 points for
1.5 GB of Verizon Wireless Data. 150 points or more for 2GB of Verizon Wireless Data. This site should help you choose players who have more slam dunks.