Return to the Preview tab and take new Snapshots. Continue in this fashion until you are ready to compare the design snapshots together so that the customer can decide which design they want to go with.
Snapshots
Each Snapshot taken is displayed as a thumbnail in the Snapshot preview section. Use the scrollbar to scroll through the snapshots if more than four Snapshots have been taken.
For Additional Information:
See Snapshot Viewer for information on comparing the different Snapshots.