[TYPO3-templavoila] Sort of dynamic background with Templavoila

[Tapio Markula]

Christian Tardif
> No, no. They not need to preview the file. Anyway, the one who'll 
> configure that is me (the admin). The idea behind that feature is to be 
> able to get, with a single template,  the ability to change the 
> background for, let's say, any page on the website

why just not use the plugin css_select and select desired CSS file?