From the main page, www.disboards.com scroll way down to Technical Support. They have a thread, it should be on top, with step by step walk you through it directions. I'm not great, but I was able to follow the steps and get it on mine (although its not our wedding this time, its our anniversary.)
you got it fine, good luck in your planning and the day when it gets here. Take it from me the time seems to fly. I can't believe it is now the day for me!! it seemed so distant when we got back from WDW in Jan.