diff -r daaafc916dc4 -r 29caac899e1f virtualenv/web/res/res_create_env.py
--- a/virtualenv/web/res/res_create_env.py	Wed Feb 06 13:15:27 2013 +0100
+++ b/virtualenv/web/res/res_create_env.py	Mon Feb 11 14:10:22 2013 +0100
@@ -27,6 +27,11 @@
     'DJANGO-TASTYPIE',
 ]
 
+if system_str != "Windows" and 'PIL' in INSTALLS:
+    i = INSTALLS.index('PIL')
+    INSTALLS.insert(i, 'ZLIB')
+    INSTALLS.insert(i, 'LIBJPEG')
+
 if system_str == "Linux":
     INSTALLS.insert(2, 'DISTRIBUTE')