After you get 25 posts, edit your profile and mailing list place a link to that squeeze page in your forum signature. Method 2: Create a blog and when news hits in your niche, write a blog entry about it, and add your link at the end. For example if a local mailing list news story about a cat massager business hits the news, talk about it and link to your squeeze page at the end. Locally hosted blogs like WordPress will "blog and ping" ... so your posts will hit the search engines in seconds. You can also get free accounts on services like Blogger.
Method 3: Article marketing. Write some articles and post them to those same article directories with a linkback to your squeeze page. If these get mailing list you lots of opt-ins, consider hiring freelance article writers to write these articles in bulk for you. Then guess what? You can post some of those articles to forums and post them to your own sites as blogs. Method 4: Social networking.
Join MySpace groups and post MySpace blog posts to your profiles with your articles. Get Camtasia Recorder, create PowerPoint presentations of your articles and record those videos. Then post them to video sites like YouTube and Revver, with your mailing list squeeze page URL watermarked right in and your URL in the video description. Method 5: Create a free, lead-in product.