(Do you understand Dutch?) Is there a specific reason you need SEO tips for a Blogger blog? Which cms you use, isn’t really that important in SEO. It’s which actions you take that is important.
Furthermore, it is possible to have own domain name with a Blogger blog, so it is not that strange if people with their own domain give Blogger tips. Here’s an example of that:
(As a bonus, you can find some SEO tips over there, in Dutch.)
I wouldn’t focus on SEO tips for Blogger, but on SEO in general. Some great SEO blogs are SEO Software. Simplified. | SEOmoz and Search Engine Land: Must Read News About Search Marketing & Search Engines . And here’s another great Blogger blog: Official Google Webmaster Central Blog .