Tutorial: How to Create a Custom Favicon for Your Blog from Design Your Own (lovely) Blog
How to Add a Custom Favicon + Free Editable Favicons! Use this guide to create a consistent brand experience, make your website or blog look legit, and set up Pinterest's rich pins. Plus, there's a guide on how to set up and install your favicon on WordPress and Squarespace.
10 Free Favicon Generators for Web Designers | SmashingApps.com