Graphics settings (anti-aliasing and anisotropic filtering).

Hello everyone! I have a problem and I'm asking for help from the regulars of the Heroes' Corner: The problem is that the graphics settings, especially anti-aliasing and anisotropic filtering, are not being applied. The picture looks like this (pay attention to the jagged shadow of the hero's banner and the low-detail hero aura): http://s017.radikal.ru/i435/1211/dc/6ff5c2e1e7d6.bmp Previously, I had version 1.0 installed, and there were no such problems - everything looked great and smooth. Today, I installed the Gold Edition (version 1.6), and these graphics issues appeared. Please help me fix it. I've also heard about a program called Tweaker, which can be used to increase the graphics settings beyond what is available in the game menu. Please tell me which parameters need to be changed and what values to set them to.