In the code archives there is code about positioning 3D sprites pixel perfect in 2D. On top of that you want to ClearTextureFilters
http://www.blitzbasic.com/codearcs/codearcs.php?code=456
http://www.blitzbasic.com/codearcs/codearcs.php?code=379
http://www.blitzbasic.com/codearcs/codearcs.php?code=321
http://www.blitzbasic.com/codearcs/codearcs.php?code=456
http://www.blitzbasic.com/codearcs/codearcs.php?code=379
http://www.blitzbasic.com/codearcs/codearcs.php?code=321