I have the blog module set up on my site, but I want to create separate user accounts for the blog so that we can have other authors login and create blog posts, without having to give them the main admin login for the entire site. I created a user account and gave them edit permissions on the blog module, but when they login, they don't have the option to add a new blog entry, their only option is to create their own blog. How do I allow them to add a new entry to the current blog?

Each blog author has their own blog, but the blog entries appear in a single list (by default).  Once a user creates their blog, they can start adding entries that will appear in the combined feed.