Redesigning Website Frontpage - bland

I figure that my websites frontpage is definitely bland and could use a little livening up.
I plan on switching the background image (orange + black ) to a blurry static image: see link

I am good with photoshop so I can blur my own images. But what do you think?
I also like the way text and pictures are separated into module blocks on this website. http://www.yootheme.com/demo/joomla
Are they all modules?
How do you determine module sizes?
Im using joomla 2.5 and this is my website. <snip url removed/>
Any opinion/help is greatly appreciated!

Blurry images look great on some sites, not all of them. Also the image counts, you can`t use any image, it has to fit. But generally speaking, i do like hi-q background images, be it blurry or not. And to the second question Yes, Yootheme uses modules, and actually they make some awesome themes.

Thank you webcosmo, is there a chance I could do this with my rockettheme template- panacea. http://demo.rockettheme.com/joomla-templates/panacea/