Blogging Software - low cost & pay

Blogger
Wordpress
Squarespace
Typepad
B2
blog.com
onsugar

Micro?
twitter
Tumblr

Photoblogging
Tumblr
Flickr
Picasa
Mac/me.com

Samples
houseforlorn.blogspot.com
groundglassdarkly.blogspot.com
randomsarah.com
whatsitallaboutweb.com
thebusmansholiday.blogspot.com

tips & tricks:
embedding a sound clip (use any site where you can store the file):