The Help pages on QWriting are excellent. On them you can find very clear instructions for just about anything you’d want to do with a WordPress blog:

• Create a blog
• Create a new post
• Add video, audio, links, or PDFs to posts
• Comment on posts
• Customize your “theme”
• Find your way around the “Dashboard”
• Create your display name and tagline
• Use Widgets to add features to your site
• And lots more!