TOPIC: Playing with themes

How can I work with different themes to see what I like.  Bad question

Problem is, if I'm in theme 5 for instance, and click on blocks, it switches me back to theme 16.

I'm working on these two for now but don't get why it switches back?

Sounds like you changed your personal theme (only affects you) under My Account->Edit. Set that to the same as what you have under Themes and just change your theme under Themes.