A better solution is to contact your host and find out the correct cron job for you and test different ones. You're missing the type parameter which may be important...

This one works for me to pass all the variables:

PHP Code:
wget 'http://www.domain.com/googlefroogle.php?feed=yes&upload=yes&type=documents' > /dev/null 2>&1 
The example in the readme.txt was a sample that Andrew created for the client who most likely funded the original project.