In spite of there was just one war two versions of Ossetian conflict has been raised in cyberspace: the Georgian version tolds about Russian invasion in Georgia and the Russian version tolds about genocide of Ossetian peoples by Georgia.
Here is some officially claimed numbers: casualties is more than 2 thousand of innocent civilians in Ossetia killed by Georgian army, 74 Russian soldiers including peacemakers who keeps U.N.O. mission in that region and at least 175 peoples in Georgia both military and civil.
You can easily find a lot of information and different opinions in the web, for example YouTube provides many documentary videos which differs from official position of goverments in some countries.