All images got blocked in my site...help

[sempire]

At first all the images in my smf forum disappeared(smilies,logo,avatars etc).i thought that there's something wrong with my script.then the images in my directory also disappeared. i don't understand what happening :nuts:.please help me to solve this issue
Edit:
forgot to mention..my captcha also dont work...

thing are getting worse here....please help me soon

 

[Christopher]

Do you have hotlinking protection turned on?