What do you see when you try to view the pictures? red x's? Have you ever been able to look at these pictures? Does this happen on other sites or just curezone?
Normally, you only want one firewall active or they can cause conflicts. I use Norton Internet Security so I don't use the Windows firewall. Years ago when I was using a free version of Zone Alarm I had problems with programs that access the Internet, so I quite using it after several frustrating incidents.
Disclaimer - I'm not an expert so don't do anything that might make your system vulnerable to attack.
I checked "allow visitors to email you..." if you like to take this offline.