pil wrong colors

gistfile1.txt

try:
    im = Image.open( infile )
except IOError:
    print "Cant load", infile
    sys.exit(1)


curW, curH = size = im.size

curW = float( curW )
curH = float( curH )

print (curW/curH)
print "Image width x height:", curW, "x", curH
print "Output image-size:", newW, "x", newH

cropH = curW*(newH/newW)
cropH = round(cropH)

cropW = newW*(cropH/newH)

print "Maximum dimensions to crop", cropW, "x", cropH

x1, y1 = int( (curW-cropW)/2 ), int( (curH-cropH)/2 )
x2, y2 = int( cropW+x1 ), int( cropH+y1 )

print "Cropping from", x1, "x", y1, "to", x2, "x", y2


frames = []

try:
    while 1:

        frame = im.convert('RGB').crop( (x1,y1,x2,y2) )
        frame.thumbnail( newsize )

        data        = frame.load()
        newframe    = {}

        sizex, sizey = frame.size

        for y in range(0, sizey-1 ):

            for x in range(0, sizex-1 ):

                pixel = data[ x, y ]
                newframe[ x,y ] = int( toGrayscale( pixel ) )

                sys.stdout.write( str( newframe[ x,y ] ) )

            print


        frames.append( newframe )

        im.seek( im.tell() + 1 )

        print "\n"


except EOFError:
    pass # end of sequence