The big trend in dols are photo tables, a montage of pictures of the baby during his/her first year. Some are elaborate where they have pictures of the baby hanging on branches (see first pic), or picture cut-out stands like these:
They also have professional posters of the baby made like these:
And yes, almost all of them use a professional photographer. You go to any Korean photo studio, and it's either weddings or baby's first birthday pictures displayed throughout the store. It's a big deal. It's probably just as big as a wedding...crazy, I know.