Hi, > when I try to download the "ps llb.tex"--A physics problem sheet > with pictures created with pstricks.Submitted by Christopher Allen.-- > from http://www.tug.org/texshowcase/graphics,I > encounter the problem:Http.404 file not found. There was an error in the name of the file (should have been 'ps_s_1b.tex'). I corrected it; try again! Kaja