All I get is black screen with sound. I think my TV doesn't want to run at 640 x 480 or something. Maybe it doesn't like windows 7. I don't know. If anyone else has the problem and finds a fix let me know.
You can try changing DosBox's resolution. Origin Games\Crusader No Remorse\data\Game\DOSBox\dosbox.conf
Then change fullresolution= to your native obviously, and I think you need to change output= to openglnb, in order to make it display fullscreen. You may need to change aspect= to True, as well.
With this games controls being some of the worst ever devised. I set it up with XPadder using a 360 controller, and it works surprisingly well. Left analog is the numpad for movement, left bumper is roll, right is run, the d-pad handles guns and inventory scrolling, and ABXY are shoot, use etc. Makes the game so much more enjoyable (I remember struggling with the game in the 90's as well). Also, I specifically noted the analog stick as the numpad because the game has multiple movements methods, but the numpad is the only one that translates properly to a 1:1 style stick movement.