Hi,

The users of my website have an optional avatar (with 2 different
sizes) with key_name = username (example big/username.jpg and medium/
username.jpg). If they haven't avatar I show a default image.

Now I want to use the new feature "automatic image thumbnailing" with
its advantages.

The problem is that if the user has not an avatar. I cant know if it
is a valid image.

Solutions in my mind:

1. Insert the default image in all users, then it always exists (i
think a bad idea).
2. A default image that appengine load if doesnt exist the url image.
But i dont know if appengine has implemented this option.

Any ideas?

Thank you.

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