This one is always very popular -- random joke, story, poem or quote on your site.

See how and what at:

http://www.jokes2go.com/get_script.html

It seems it would depend upon your site and it's visitors on whether something like that would be used appropriately. I can see where it might fit on some business sites and not others.

For example, remember this from their site:

Material found on this site gets copied from many sources without any prior corrections and/or inspections. Some of it may be found offensive by certain individuals. If you are one of the aforementioned individuals, please leave this site.

...

Concerning Offensiveness

Different people have different views on offensiveness. A lot of stuff on this page may be found offensive by certain individuals. Read the Disclaimer.

Dave