Part 1 was easy. it's all GUI stuff, that you can figure out by poking around. Part 2 is the reason I started writing this down. The only way to maintain your sourceforge.net website, is via SSH (and by extension, sFTP). Programs you will need:
Putty ...
The advantages of sourceforge hosting are all things that all themes should have: demo blog, screenshots, download stats, nationwide download mirrors, SVN repository, bug tracker, forums. All things you could provide from your own web host, but not only would it cost a fair chunk, having bugs and ...
You may have noticed that i really like The Sandbox. Andy suggested a possible path for it to become the default theme, which I think would be an excellent idea. Mainly ...
UPDATE: it seems that this trick doesn't actually work all that well. however, the pinklillies style has been painstakingly converted to a sandbox skin. The instructions below will help you use skins that were not intended for wordpress.com, though.
Customizing CSS is a ...