PHP Tutorial Critique

[PartDigital]

I've just finished writing a php tutorial on how to make dynamic drop shadows.

I'm still revising it though, I want to make it the best tutorial possible.
What do you guys think? you have any tips?

http://www.partdigital.com/gd-drop-shadow/

thanks

[pindeho2005]

this is what i got from your link... its not working... im interested to see and learn

Fatal error: Site::require_once() [function.require]: Failed opening required '' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/partdigi/public_html/Site.php on line 394

[laserlight]

I have the same problem as pindeho2005.

[PartDigital]

here it is

http://www.partdigital.com/tutorials/gd-drop-shadow/