pictures and thumbs aren't shown on the whole site

[fingolfin1975]

Hello,
I have a problem with showing pics on the whole site.
I already used and configured agent theme successfully for another client but I seem to have more problems with this new version.

I get the name of the picture in the property detail page instead of the small thumbs, featured content gallery won't show up pics, thumbs in homepage are not displayed...

I've tried to change tools/cache permission to 777, as suggested, change the url as suggested...but nothing is displayed.

Could you please help me out?

This is the website url

http://www.stpeter-re.com/

Thank you very much!
Claudio