You can also find some executables for old versions of belvu
1. Download the appropriate file, uncompress it and copy it to a directory in your path, e.g. /usr/local/bin.
2. Make sure that the Belvu binary is called 'belvu' by renaming the file for your platform to belvu (e.g. "mv belvu.SUN belvu") and that it is in your path.
3. Make sure it is executable (chmod 755 belvu).