the tank looks good, but the character there wouldnt be suited for real time games IMO, using boolean operations for modeling low poly model is highly not recommended.
as for a tutorial on boning and modeling and texturing, many sites on the internet already have been created, unless its something which is more specific to Blitz3D.
as for a tutorial on boning and modeling and texturing, many sites on the internet already have been created, unless its something which is more specific to Blitz3D.