I found this one on a CDROM I found at a dollar store. They didn’t own the copyright either… Anyway, resizing it converting it to modern codecs reduced the filesize by over 90%, so here it is.
Q: How do you shoot a blue elephant?
A: With a blue-elephant gun.
Q: How do you shoot a pink elephant?
A: Twist its trunk until it turns blue, then shoot it with
a blue-elephant gun.