Checkout themes for the ITG Xpress Check
The Gameshow theme takes patrons through a game of "Check It Out!", which also includes a sub-game called "Scan the Item". An excited announcer and an engaged crowd lead the patron through the game while attempting to keep them away from THE STAFF OF DOOM.
To install it, please download the self-extracting InstallGameshowTheme.exe and follow the directions on the instructions page. (There's also a zipped version - InstallGameshowTheme.zip)
McMillan, Reedsburg, Sequoya, and Verona have their own version of the install file.
You may also want to check out the Gameshow credits page.