decayscreen - make a screen meltdown.
.SH SYNOPSIS
.B decayscreen
-[\-display \fIhost:display.screen\fP] [\-window] [\-root] [\-mono] [\-install]
-[\-visual \fIvisual\fP] [\-delay \fIusecs\fP] [\-mode \fImode\fP]
+[\-display \fIhost:display.screen\fP]
+[\-window]
+[\-root]
+[\-mono]
+[\-install]
+[\-visual \fIvisual\fP]
+[\-delay \fIusecs\fP]
+[\-duration \fIsecs\fP]
+[\-mode \fImode\fP]
+[\-fps]
.SH DESCRIPTION
The \fIdecayscreen\fP program creates a melting effect by randomly
shifting rectangles around the screen.
.B \-delay \fImicroseconds\fP
Slow it down.
.TP 8
+.B \-duration \fIseconds\fP
+How long to run before loading a new image. Default 120 seconds.
+.TP 8
.B \-mode \fImode\fP
The direction in which the image should tend to slide. Legal values are
\fIrandom\fP (meaning pick one), \fIup\fP, \fIleft\fP, \fIright\fP,
\fIdown\fP, \fIupleft\fP, \fIdownleft\fP, \fIupright\fP, \fIdownright\fP,
-\fIshuffle\fP (meaning perfer no particular direction), \fIin\fP (meaning
+\fIshuffle\fP (meaning prefer no particular direction), \fIin\fP (meaning
move things toward the center), \fIout\fP (meaning move things away
from the center), \fImelt\fP (meaning melt straight
downward), \fIstretch\fP (meaning stretch the screen downward),
and \fIfuzz\fP (meaning go blurry instead of melty).
+.TP 8
+.B \-fps
+Display the current frame rate and CPU load.
.SH ENVIRONMENT
.PP
.TP 8