Feedburner started with their feedburner widget whereby you could use them in forums as signature, share them in friend’s blog and lots of other place where you could include sime simple html code.
Having your a widget will actually increase relevant visitor because they would click on your widget only when the title is related to what they are looking for. Be reminded that not all forums allow this and too many users using this together in a forum will be quite annoying.
There is some benefits to creating your own widget, because you will get to design it to fit into your theme. Also, if you could get user to add your widget to their website/blog, you will actually get some brand marketing when your widget shows your website.
Learn how to create your own widget.
