Joined: Tue Apr 23, 2013 2:14 pm
Refreshing your signature is very easy; just login and hit "Generate my sig" without touching anything else.
This way you will apply the most recent changes.
NOTE: keep in mind that modern browsers tend to cache images a lot so if you don't see any change after you refreshed your Sig, most probably your browser has the old Sig cached. Usually hitting F5 a few times will force cache cleaning.