WordPress seems to be everywhere these days, and it’s no wonder with it’s ease of use and ease of customization. Recently launched NetTuts has written a tutorial which is dissecting the default WordPress theme’s comments.php structure and giving you various snippets of code to make your skinning easier. They have included some of the really useful tricks within the article: Unraveling the Secrets of WordPress’ Comments.php File.

• Preventing direct access to comments.php
• Basic comment template tags
• Gravatars
• Comment numbers
• Alternating colors for comments
• Comments RSS link

Source: Unraveling the Secrets of WordPress’ Comments.php File