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The precipitation could of course be shaded differently - try some different colour schemes.
Experiment with different backgrounds and projections
Modify the Coastlines icon, for example:
- plot the US state boundaries
- try different land or sea shading colours
- change the frequency of the grid lines
Try a different Geographical View icon and set the projection to, for example, Mollweide. Drop this into the plot, then update the macro to use this new view (to do this, edit the macro, then drop your view icon into the editor towards the bottom of the code, where the view is defined; a little editing will be required to use your new view instead of the original one).
Ensuring the title has the correct date and time
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