b2evolution allows you to edit the Custom skin in the backoffice by going to the Template tag. This hack creates a sub-tab for each of your skins so you can edit them all in the backoffice rather than having to download, edit and upload files (or use shell access).
This hack offers two ways to moderate comments. First, and easiest, is to require registration before someone can leave a comment. Second, and more complex, is to make the comment be a 'draft' until the post author publishes it. I tested both methods, but not as completely as I like to. If you use it and run into a snag post your problem in the forums and hopefully we can work it out.
A hack that allows you to expand and collapse the category list in your blog's sidebar.
This hack adds a button to the backoffice editing page that lets you display code in a blog post.
This hack counts how many times an article has been read. This is a high performance solution which works quite well. Read forum topic for the implementation.