Resources

Layouts
DeluxeTemplates.net - great variety of free Blogger (and Wordpress) templates

Graphics
darkmoon3636 @ deviantART - my favourite emoticon artist - see more on deviantART

Tips & Tricks
BloggerSentral - really helpful article about hosting Javascript for Blogger
BloggerSentral - article about how to display titles only in Labels/Archive pages
Cool Stuff Blog - article about adding Yahoo! emoticons to Blogger posts
The Daily Post  - a great site for blog ideas

Miscellaneous
Picasa - save/share your pictures here (beginners can easily add pictures to Blogger)
Photobucket - save/share your pictures here (I use it for my blog graphics)
JotForm - highly recommended form generator