.TP 8
.B \-swamp
Instead of letting zones wander around, let small zones pop up like
-bubbles in a swamp and leave permanent distortion.
+bubbles in a swamp and leave permanent distortion. \fBWARNING:\fP
+this option uses a \fIcolossal\fP amount of memory: keep the \fI\-radius\fP
+small when using \fI\-swamp\fP.
.TP 8
.B \-bounce
Let zones wander around and bounce off the window border. This is the