+# sample config
<Provision>
+ <Default>
+ type AmazonEC2
+ username foo
+ password baz
+ size 256
+ </Default>
+
<test>
type Rackspace
username foo
password baz
</test>
+ <live>
+ type Rackspace
+ username foo
+ password baz
+ size 512
+ </live>
</Provision>