put this in /data/gui/Fireball.txt in my Sketches project

Fireball.txt

STATE_BEGIN
UNDO
GROUP§Fireball§true
Fireball§record frames§0.0§100.0
Fireball§fade to black§1.3770002§25.5
Fireball§blur§1.1499996§10.0
Fireball§translate§100.0§0.0§0.0§0.0
Fireball§rotate§3.1415927§0.0§1.7592926§0.0
Fireball§axis§0.10000001§0.0§0.0§0.026970005
Fireball§speed§0.38999966§10.0
GROUP§ramp§false
ramp§vertical§1
ramp§count§4.0§100.0
ramp§1§0.014500001§0.0§1.0§0.0§10.0
ramp§2 §0.33333334§10.0
ramp§2§0.014500001§0.0§1.0§0.0§10.0
ramp§3 §0.6666667§10.0
ramp§3§0.014500001§0.0§1.0§0.0§10.0
ramp§4§0.014500001§0.0§1.0§0.0§10.0
GROUP§depth ramp§false
depth ramp§count§4.0§100.0
depth ramp§1§0.0§0.0§1.0§1.0§10.0
depth ramp§2 §0.22333342§10.0
depth ramp§2§0.0§0.0§1.0§1.0§10.0
depth ramp§3 §0.46666688§10.0
depth ramp§3§0.0§0.0§1.0§1.0§10.0
depth ramp§4§1.1920929E-7§0.0§1.0§1.0§10.0
GROUP§sphere§false
sphere§n speed§10.0§0.0§0.0§0.0
sphere§stroke§0.0§0.0§0.0§1.0§1.0
sphere§weight§3.5400014§100.0
sphere§count§1600.0§40000.0
sphere§scale§179.38983§3000.0
sphere§time§0.60248935§0.010000001
sphere§mag§0.22000067§10.0
sphere§freq§0.513598§100.0
sphere§noise offset§245.72998§1000.0
sphere§hollow§true
sphere§core detail§19.939999§20.0
sphere§core size§5.0§10.0
GROUP§text§false
text§value§
text§font size§64.0§20.0
text§fill§0.0§0.0§1.0§1.0§1.0
text§pos§10000.0§-500.0§-380.0§321.59998
GROUP§color split§false
color split§skip§false
color split§multiplier§0.1§0.9997997§0.98579884§0.94299954
color split§scale center§100.0§-0.50000054§-0.40000063
color split§scale RGB§0.1§1.0038991§1.0038991§1.0038991
color split§common scale§1.0038991§0.1
color split§move all scales§true
color split§force scales >= 1§false
color split§move R§100.0§0.0§0.0
color split§move G§100.0§0.0§0.0
color split§move B§100.0§0.0§0.0
STATE_END
STATE_BEGIN
UNDO
GROUP§Fireball§true
Fireball§record frames§0.0§100.0
Fireball§fade to black§1.3770002§25.5
Fireball§blur§1.1499996§10.0
Fireball§translate§100.0§0.0§0.0§0.0
Fireball§rotate§3.1415927§0.0§1.7592926§0.0
Fireball§axis§0.10000001§0.0§0.0§0.026970005
Fireball§speed§0.38999966§10.0
GROUP§ramp§false
ramp§vertical§1
ramp§count§4.0§100.0
ramp§1§0.014500001§0.0§1.0§0.0§10.0
ramp§2 §0.33333334§10.0
ramp§2§0.014500001§0.0§1.0§0.0§10.0
ramp§3 §0.6666667§10.0
ramp§3§0.014500001§0.0§1.0§0.0§10.0
ramp§4§0.014500001§0.0§1.0§0.0§10.0
GROUP§depth ramp§false
depth ramp§count§4.0§100.0
depth ramp§1§0.0§0.0§1.0§1.0§10.0
depth ramp§2 §0.22333342§10.0
depth ramp§2§0.0§0.0§1.0§1.0§10.0
depth ramp§3 §0.46666688§10.0
depth ramp§3§0.0§0.0§1.0§1.0§10.0
depth ramp§4§1.1920929E-7§0.0§1.0§1.0§10.0
GROUP§sphere§false
sphere§n speed§10.0§0.0§0.0§0.0
sphere§stroke§0.0§0.0§0.0§1.0§1.0
sphere§weight§3.5400014§100.0
sphere§count§1600.0§40000.0
sphere§scale§179.38983§3000.0
sphere§time§0.60248935§0.010000001
sphere§mag§0.22000067§10.0
sphere§freq§0.513598§100.0
sphere§noise offset§245.72998§1000.0
sphere§hollow§true
sphere§core detail§19.939999§20.0
sphere§core size§5.0§10.0
GROUP§text§false
text§value§
text§font size§64.0§20.0
text§fill§0.0§0.0§1.0§1.0§1.0
text§pos§10000.0§-500.0§-380.0§321.59998
GROUP§color split§false
color split§skip§false
color split§multiplier§0.1§0.9997997§0.98579884§0.94299954
color split§scale center§100.0§-0.50000054§-0.40000063
color split§scale RGB§0.1§1.0038991§1.0038991§1.0038991
color split§common scale§1.0038991§0.1
color split§move all scales§true
color split§force scales >= 1§false
color split§move R§100.0§0.0§0.0
color split§move G§100.0§0.0§0.0
color split§move B§100.0§0.0§0.0
STATE_END