Jonathon,
I tried your template and the file downloaded successfully for me. You can check the cfn logs on the instance. They are in c:\cfn\log\
. My cfn-init.log shows:
2013-07-19 21:30:18,269 [DEBUG] Parent directory c:\test does not exist, creating
2013-07-19 21:30:18,269 [DEBUG] Writing content to c:\test\google-logo.png
2013-07-19 21:30:18,269 [DEBUG] Retrieving contents from http://www.google.com/images/srpr/logo4w.png
2013-07-19 21:30:18,316 [DEBUG] No mode specified for c:\test\google-logo.png
2013-07-19 21:30:18,316 [WARNING] Unsupported OS for setting owner/group: nt
And my cfn-wire.log shows:
2013-07-19 21:30:18,269 [DEBUG] Request: GET http://www.google.com/images/srpr/logo4w.png [headers: {'Accept-Encoding': 'identity, deflate, compress, gzip', 'Accept': '*/*', 'User-Agent': 'python-requests/0.11.1'}]
2013-07-19 21:30:18,302 [DEBUG] Response: 200 http://www.google.com/images/srpr/logo4w.png [headers: {'content-length': '18946', 'x-xss-protection': '1; mode=block', 'x-content-type-options': 'nosniff', 'expires': 'Fri, 19 Jul 2013 21:30:20 GMT', 'server': 'sffe', 'last-modified': 'Mon, 25 Mar 2013 19:02:15 GMT', 'cache-control': 'private, max-age=31536000', 'date': 'Fri, 19 Jul 2013 21:30:20 GMT', 'content-type': 'image/png'}]