Your signature has a broken link/remote script initiation and the link is:
http://s12.postimg.org/xsigscuel/oie_2123439t_Zo1ov_Hy.gif
I'd advise to host that gif on some other image-sharing site than http://postimage.org/ since according to Google Safe Browsing it has hosted 3 viruses and 2 trojans:
http://www.google.com/safebrowsing/diagn...timage.org
Besides, it's slow as hell.
http://s12.postimg.org/xsigscuel/oie_2123439t_Zo1ov_Hy.gif
I'd advise to host that gif on some other image-sharing site than http://postimage.org/ since according to Google Safe Browsing it has hosted 3 viruses and 2 trojans:
http://www.google.com/safebrowsing/diagn...timage.org
Besides, it's slow as hell.