diff --git a/print.py b/print.py
index b511af7..fe3cdf7 100644
--- a/print.py
+++ b/print.py
@@ -1,3 +1,4 @@
+import argparse
 import sys
 import os
 import six
@@ -57,15 +58,19 @@ def _int_low_high(inp_number, out_bytes):
     return outp
 
 
-filename = u"img.jpg"
+parser = argparse.ArgumentParser(description='Process some imagefile')
+parser.add_argument('--img',dest="img",
+                    help='pass image to print')
+args = parser.parse_args()
+filename = args.img
 im = Image.open(filename)
 
-basewidth = 600
+basewidth = 350
 # Initial rotate. mirror, and extract blobs for each 8 or 24-pixel row
 # Convert to black & white via greyscale (so that bits can be inverted)
 
 im = im.transpose(Image.ROTATE_270).transpose(Image.FLIP_LEFT_RIGHT)
-width_pixels,height_pixels = im.size
+height_pixels, width_pixels = im.size
 
 if width_pixels > basewidth:
     wpercent = (basewidth/float(im.size[0]))