chance that they could coincide, which would leave a guest unable to
access the virtual network.
+=item Compression
+
+Choose whether to enable or disable compression on disk images as they
+are copied across the network.
+
+If enabled, the C<-C> option is passed to L<ssh(1)>. On fast networks
+this can sometimes be slower.
+
+NB: The disk image is still stored uncompressed on the remote host
+however this option is set.
+
=item Verify and proceed
In this step you are asked to verify the settings above. If any are
uniqueness so there is a very small chance that they could coincide,
which would leave a guest unable to access the virtual network.
+=item C<compression>
+
+Set this to C<Some false> to disable compression, or C<Some true> to
+enable compression, or C<None> to ask the user.
+
=back
=head2 ISO ATTACHMENTS