These are the Lotro style Dialog skins. They are based on ones originally developed for the Lord of the Rings Online game.
This is the Lotro Gloria Victis style Dialog skin. The skin is based on one used in the Gloria Victus Dragon UI for the Lotro game.
This is the Lotro Grey Skin style Dialog skin. The skin is based on one used in the Grey Skin UI for the Lotro game.
This is the Lotro Wiggle style Dialog skin. The skin is based on the one used in Wiggle's Lotro UI for DAOC.
Note: Although it is not necessary, you should match the Button and Dialog skin styles for best appearance.