A frend of my wife's uses  an e-mail program named Incredimail.  Their
web site is as follows:   http://www.incredimail.com.  The program has
the best graphics and stationary of any program that I have ever
viewed.  The program only runs on a "Dos" machine.  My wife and I have
an I-Mac.  Is there any e-mail progran equal to or better than
Incredimail that will run on a Macintosh.

Just get a html editor and other graphics editor .
Then attach the files to your email.
Also there must be online sites that create fancy email messages from web browsers.

Yahoo mail will allow you to create graphic email.

Found this.

The software turns for the moment only under Windows, (versions 95,
98, Me, NT, 2000 and XP). Unless using a Windows emulator under Mac OS
(what is not inevitably with advising for a daily use), you cannot
thus use IncrediMail with Macintosh. And there is no software are
equivalent turning under MacOS.

So you could possibly run incredimail on a Mac depending on your OS
version perhaps OS X and if you had windows emulator software.

That seams like alot of trouble.

The graphics are nice, but keep in mind that many email users (esp. in
corporate settings) turn off graphics and HTML content in their email
program to avoid viruses and spy/adware.