There are many different websites out there that'll help you make a blog and many blogs out there to derive inspiration from.
Blog Makers:
Frisco ISD has their own blogs for teachers:
creating_an_fisd_blog_10-11.docx |
Example Blogs:
Blogger:
http://mcfavorite.blogspot.com/ http://woodlandrm3.blogspot.com/ *Note: Blogger will not allow you to upload documents (word, excel, pdf, etc), but it will allow you to embed a google doc or link to a google document. It does allow fun banners and customized templates
Edublogs:
(now allows student blogs without email addresses): http://mrsbairdmath.edublogs.org
http://teacher102.edublogs.org/
http://teacher102.edublogs.org/