1) design for no wider than 600px (otherwise it may not fit in email clients).
2) Slice up your newsletter design in segments for images and html areas with the slice tool.
3) add the <a href="http://www.yourwebsite.com">my website</a> link in one of the html areas.
4) export as generic html 4 code, and put the images in a separate folder.
5) upload all the images to your website's server in a folder (you cannot embed images in an email newsletter - they must link to externally hosted images).
6) change all the links in your html page to the ones that were loaded up on your server. For example, an image's source link would work out similar to this: <img src="http://www.yourwebsite.com/newsletter/image1.jpg" alt="alternate description of your image">
7) open the newsletter with working external images in Chrome or Firefox. Select the entire page content (ctrl-a), and copy it (ctrl-c).
8) create a new email in your mail client. Place the cursor in the body. Paste the newsletter (ctrl-v).
9) send your newsletter to hundreds of recipients, and get blacklisted by several email servers. Receive warning messages from your own hosting provider not to spam other users' email accounts.
10) realize this is too much of a hassle, and instead opt for a service such as MailChimp.
(The result in (9) depends on whether you sent out your newletter only to acquaintances, or not. But even then you might be warned off.)
Btw, many email clients turn off images in an email by default. You must provide the most important content as html, not as images.