Set plot directory prefix.

doc/source/conf.py

@@ -221,6 +221,7 @@ latex_documents = [
 # -----------------------------------------------------------------------------
 # Plots
 # -----------------------------------------------------------------------------
+plot_basedir = os.path.join(curpath, "plots")
 plot_pre_code = """
 import numpy as np
 import matplotlib.pyplot as plt

scikits/image/io/collection.py

@@ -60,7 +60,7 @@ class MultiImage(object):
 
     The two frames in this image can be shown with matplotlib:
 
-    .. plot:: ../plots/show_collection.py
+    .. plot:: show_collection.py
     """
     def __init__(self, filename, conserve_memory=True, dtype=None):
         """Load a multi-img."""