Here are the additional dresses from the Homecoming Tour.
The Act 1 dresses from the tour were pretty much the same as the DVD.
On the tour, the singers wore green ceili dresses.
Initially, the dresses on the tour were about the same as the DVD, but when Susan returned from Ireland part way through the tour, she brought a new set of dresses with her.
Mairead and Susan also swapped Act 1 dresses for at least one show:
https://www.youtube.com/watch?v=pCqoJCc1_G0&feature=youtu.beHave better pictures of the dresses you want to share? This is the place!