Live preview of themes

Polychronis Ypodimatopoulos 8 aastat tagasi uuendatud 8 aastat tagasi 2
It would be great if I could choose from a theme list and preview the results live, without the list going away like it does when choosing from the menu.
Wow somebody downvoted this? Odd.

"I actually prefer to be less productive, thank you." :)