Now, here's the clincher. You'll need for this one to be as closely related to your website's theme as possible. The first reason is because you don't want to turn your visitors away by having them thinking they've come to the wrong site. The second reason is because you want it to appeal to the majority of your already targeted website visitors. You're in trouble.
Every little bit helps.
Now, I get about 30 subscribers a day from the site subscribe forms, my home page subscribe forms, and subscribe forms on my partner websites. By actually swapping ezine sign-up forms with another website owner. So, I swapped ezine signup forms with the Webmistress of that site. My form went on her home page, and her form went on one of my secondary pages. The Humor Source Webmasters' Ezine Gothic.