If you come across material that you want to share with others through your site, don’t forget to link to it. Chances are that other bloggers who will get material from your blog will also return this favor. This practice is not only common courtesy, but it is also a way of pulling in new readers. It’s really a give-and-take world out there.
By the way, blogs and sites nowadays have trackers on incoming links, meaning you’ll get updates on which sites and blogs have included your site and/or have linked to your site. You may want to check this feature out.