Activity for Michael

Is there a way to add a block of custom code to these WW sites? I'd like to have a countdown timer I designed on my site but I don't see anywhere to do that.

So I want to try to organize our wedding photos by event. We are going to have our engagement party, the bachelor/bachelorette party, the wedding, and the reception. I would like to have them all separate so we can scrapbook them down by event when...