You should do the fine adjustment with the inspect/examine option of your browser.
Some posts inside this forum show you the best settings (or close to perfect). You just have to find them via search option.
And if you don't know how to make pro movies, here is a 'small' guide from Ehlanna.
http://hotcandyland.com/hotline/4219/making-a-professional-film-a-simple-how-to?show=4219#q4219
Have fun;-)
