This tutorial is very important since many forum admins would like their own favicon instead of the default favicon 

Step 1: Create your favicon at http://favicon-generator.org

Step 2: Login into your Forum and stay logged in do not log out

Step 3: Click on admin section then options then scroll to forum icon.You can also try linking like http://myforum.tcihosting.cf/admin_options.php 

Step 4: Input the url and you are all done

Now your icon can be like

#tci; #wcoders; #tcihosting;