[\-window]
[\-root]
[\-delay \fInumber\fP]
+[\-duration \fIsecs\fP]
[\-rate \fInumber\fP]
[\-fluidity \fInumber\fP]
[\-light \fInumber\fP]
.B \-delay \fInumber\fP
Per-frame delay, in microseconds. Default: 50000 (0.05 seconds.).
.TP 8
+.B \-duration \fIseconds\fP
+How long to run before loading a new image. Default 120 seconds.
+.TP 8
.B \-rate \fInumber\fP
Drizzle. 1 - 100. Default: 5.
.TP 8