+.B \-visual \fIvisual\fP
+Specify which visual to use. Legal values are the name of a visual class,
+or the id number (decimal or hex) of a specific visual.
+.TP 8
+.B \-count \fIinteger\fP
+How many particles should be allowed on the screen at once. Default 600.
+.TP 8
+.B \-frequency \fIinteger\fP