WordPress is in my wee little humble opinion, the best blogging service out there. You can set it up yourself in as little as 5 minutes with their infamous 5 minute install guide or have someone *like me* set it up for you! Either way, once you have it set up, there’s heaps of places to find WordPress themes so that your blog looks so appealing that people won’t want to leave! Here’s a starting point…

http://www.freewpthemes.net/

http://www.skinpress.com/

http://scribblescratch.com

http://wordpressthemesthatdontsuck.com/

http://www.widgetready.org/free-wordpress-themes.php

http://topwpthemes.com/

http://themes.rock-kitty.net

http://grabatheme.com/

Or, if you are feel creative and focused, try creating your own theme with the tutorial at wpdesigner.com.