Maria,
The pictures were $99 for a package(plus the video separately-approx $160 total-yikes!). I think we got to pick 4 or 6 5x7's, two keychains with your choice of 1 picture and a snow globe with a picture in the background. The pictures were really nice, close-ups of my kids each with their dolphin, one of both of them together, and one each riding with the dolphin.
When we got there (we got there before opening), we were one of the first families to get in, and we did get our choice of swim times. I would imagine that if we got there even a half hour later it would have been slim-pickins, as it started to get a little crowded very shortly after we started our welcome tour. I will say the overall crowd was low, as they do limit the number of people per day, but your choice of swim times then get fewer, too.
As for AAA, I don't know what the deal is now, but we did get the 7-day pass to SW when we checked in at DC. They take your picture and give you a bar-coded i.d. badge. They told us that was also good for 7 days at SW. Unfortunately, we didn't even get to use the pass, because the rest of our days were pretty tightly scheduled. If we had known ahead of time that we would be given the additional admission to SW free, we would have definetely scheduled it in (we love SW,too).
No matter what you decide to buy there or not (don't forget the souvenier shop, too!!), your day will be absolutely awesome. And when it did start to thunder and the sky got really dark, we couldn't get my husband out of the water until they forced everyone out. Luckily, this was around 3:30 in the afternoon and I believe the park closes at 4:30. We had just enough time to shower, change and leave before the downpour.
Hope I answered some of your questions. Good luck!
Sheri