0 . SP 2010 Branding Options: Master Pages vs. Themes: Overview Why I prefer custom master pages over custom themes in SP 2010
1. SP 2010 Branding Options: Master Pages vs. Themes: Part 1 Attaching an alternate style sheet to the master page using the browser’s UI
2. SP 2010 Branding Options: Master Pages vs. Themes: Part 2 Attaching an alternate style sheet to the master page using SPD 2010