When I show pictures to my clients, I show them ranked, with 5 stars being photographer's pick, and 1 star pictures being pictures I don't really like, but included because they wanted it (like if a wedding client asks me if I can get a picture of grandma eating).
The following is currently my workflow process to make it happen:
I filter Lightroom to show 5 stars photos only. I then export them. I take that group, and use JAlbum to overlay a GIF that shows 5 Stars on the bottom corner of the picture.
I then filter Lightroom to show 4 star photos only. I then export them into a different folder, and then use JAlbum to overlay a GIF that shows a picture of 4 Stats on the bottom corner of the picture.
I repeat for all stars, then combine all the pictures into one folder.
There has got to be an easier way?