These sample configurations are based on the mentor guide master copy, let me know if there are errors. The router interfaces do not have "no shutdown". Also, if the names have a "?" in them, so you'll need to add that using the control V first.
Lab 1 Configuration: Through Layer 2 Through Layer IGP
Lab 2 Configuration section: Through Layer 2 Through Layer IGP
Lab 3 Configuration: Through Layer 2 Through Layer IGP
Lab 4 Configuration section: Through Layer 2 Through Layer IGP
Lab 5 Configuration: Through Layer 2 Through Layer IGP
Unreachable only TCL script (Based on Mark Buchmann's script)