There is no "one size fits all" where joint parameters are concerned. The OBJ2CR2 (and Wardrobe Wizard) will produce a very good basic rig but some fine tuning must be expected.

In OBJ2CR2 click the "Help" button. This will load a web page stored on your computer. Scroll down a couple of paragraphs to the line with the navigation links and click "Joint Parameters". Then sit back and watch the video :)