Basically you can now just 'mention' someone by using the '@' character and typing the persons name,
this will show a list of possible matches:-
Selecting a name will change the text to red
and the person will be notified of the mention:-
This should make it easier to keep a conversion without quoting the masses of images etc.
Let me know if it works / or doesn't work etc.
Full credit to the original Extension author - Simple Mentions