How to make my own Themes?

Hi all!

Which Software do i need, to make my own Themes for My K750i/K800i?

Thanks!

The software is Sony Ericsson Themes Creator
And it got no only k750/k800
Download
Nice Day!

Thanks for this Link!

How can i make an Animated Theme?
Can i use Photoshop also?

animated gifs are working...

I have a theme, which for the K750i is, can I edit it, to optimize it for the K800i?

No,Your images on old theme(k750) will be small on new theme(k800) cuz these two phones are with difrent resolutions
Nice day