The intro sequence is corrupt!
This is a known issue with the Total Revolution version of Broken Sword. To fix this you can download the patches, provided by Eero:
I get a "low on space" error when trying to install.
This happens with Windows XP. To get past this error, open My Computer, right click on the CD and open. Find setup.exe, right click > properties > compatibility and then tick Run this program in comparibility mode for: Windows 95. Run setup and the game will install.