Should be a default Ohodnoceno 5 z 5 hvězdiček

this is an excellent solution to a very annoying problem. I would like to suggest one improvement. Could you allow the users to control where the results are displayed. Options could be - center, 75% from top, 80% from top, 75% from bottom, etc

Tato recenze je pro předchozí verzi doplňku (0.2010070901). 

No, I do not have plan to add any option.
Please use other Extension such as XUL/Migemo(not working with Firefox yet)