|4 by 4 Transparency|: a transparent image, 4 times higher resolution than normal, is produced. |4 by 4 Resolution|: an image, 4 times higher resolution than normal, is produced. |2 by 2 Transparency|: a transparent image, 2 times higher resolution than normal, is produced. |2 by 2 Resolution|: an image, 2 times higher resolution than normal, is produced. |4 by 4 Anti-Alias|: each output pixel is the average of 16 sub-pixels. Anti-aliasing helps remove 'jaggies'. |2 by 2 Anti-Alias|: each output pixel is the average of 4 sub-pixels. Anti-aliasing helps remove 'jaggies'. |Transparent Pixels|: a 72dpi image is produced. Undrawn pixels are |transparent|. |Standard Resolution|: a rectangular 72dpi image is produced. Undrawn pixels are forced to 'white'.