/usr/share/gimp/2.0/fractalexplorer/ is in gimp-data 2.8.22-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gimp/2.0/fractalexplorer/Asteroid_Field
/usr/share/gimp/2.0/fractalexplorer/Bar_Code_Label
/usr/share/gimp/2.0/fractalexplorer/Beauty_of_Nature
/usr/share/gimp/2.0/fractalexplorer/Blue_Curtain
/usr/share/gimp/2.0/fractalexplorer/Car_Track
/usr/share/gimp/2.0/fractalexplorer/Energetic_Diamond
/usr/share/gimp/2.0/fractalexplorer/Explosive
/usr/share/gimp/2.0/fractalexplorer/Flower
/usr/share/gimp/2.0/fractalexplorer/Fragments
/usr/share/gimp/2.0/fractalexplorer/Hemp
/usr/share/gimp/2.0/fractalexplorer/High_Voltage
/usr/share/gimp/2.0/fractalexplorer/Hoops
/usr/share/gimp/2.0/fractalexplorer/Ice_Crystal
/usr/share/gimp/2.0/fractalexplorer/Leaves
/usr/share/gimp/2.0/fractalexplorer/Lightning
/usr/share/gimp/2.0/fractalexplorer/Mandelbrot
/usr/share/gimp/2.0/fractalexplorer/Marble
/usr/share/gimp/2.0/fractalexplorer/Marble2
/usr/share/gimp/2.0/fractalexplorer/Medusa
/usr/share/gimp/2.0/fractalexplorer/Nautilus
/usr/share/gimp/2.0/fractalexplorer/Nebula
/usr/share/gimp/2.0/fractalexplorer/Plant
/usr/share/gimp/2.0/fractalexplorer/Rose
/usr/share/gimp/2.0/fractalexplorer/Saturn
/usr/share/gimp/2.0/fractalexplorer/Snow_Crystal
/usr/share/gimp/2.0/fractalexplorer/Soma
/usr/share/gimp/2.0/fractalexplorer/Spark
/usr/share/gimp/2.0/fractalexplorer/Suns
/usr/share/gimp/2.0/fractalexplorer/Tentacles
/usr/share/gimp/2.0/fractalexplorer/The_Green_Place
/usr/share/gimp/2.0/fractalexplorer/Wave
/usr/share/gimp/2.0/fractalexplorer/Wood
/usr/share/gimp/2.0/fractalexplorer/Zooming_Circle