Problem with advertiser component (pictures)

Hi all

Hope you can help me..

I'm ver happy with t3 and bs3. But i have a problem with one important component. I had read the support from the coponent. Its a classifiedls / advertiser component and don't show the pictures with blank t3-bs3 template. The support had read its a problem with bootstrap.css
The component need too the modal link.

.modal {
display: none;
...
position: fixed;
...

I have try with t3 blank without bs3 but dont work right too.
I dont understand the problem, please help me

www.swissbordell.ch/sex

Best regards