Since link building now relies so heavily on building relationships and providing useful content, many folks are desperate to generate sufficient content. Anvil Media recently put together a fantastic list of resources which can be found on the YouMoz blog.
They touch on each type of content, including text, video, audio, and graphics. They then go on to offer some excellent content creation resources in each of these fields.
The list is an absolute must-have for any struggling content marketers. Get it here: A Goldmine of Content Resources