Tools -> Options -> Extentions -> Install New Extension for extensions
Tools -> Options -> Themes -> Install New Themes for themes
Have fun now 
__________________
AOA Availability:
UK, Germany, Netherlands, France, Singapore, Hong Kong SAR, P.R. China, Bahrain, Abu DhabiSaudi Arabia
Available, Occasionally unavailable (rubbish network), Occasionally unavailable (blocked), Always blocked
I'll add more as I find them |