This is one of my plugins for ArtEffect2/3+.

Solar is a fun-filter. 
Well configurable filter that produces smooth colorful pictures, that can
if set properly e.g. look like an infrared pictures.
Also very nice in grayscale mode.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                10896   18124  60.1% -lh5- dac3 Jul 23  1999 plugins2/Solar.p2m
[generic]                11216   19600  57.2% -lh5- f4a7 Jul 23  1999 plugins2/Solar.p2n
[generic]                10894   18144  60.0% -lh5- af88 Jul 23  1999 plugins2/Solar.p4s
[generic]                 2724    6848  39.8% -lh5- d50c Jul 23  1999 Solar.guide
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         4 files   35730   62716  57.0%            Jul 25  1999