I have kept my default directories "pure", except the brushes one, but I saved the original installation in a separate directory. These are my directory listings as text files. Hope this helps.
These are for the standard GIMP 2.6.11 installation!
Plug-Ins GIMP 2.6.11
Directory of c:\Program Files (x86)\GIMP-2.0\lib\gimp\2.0\plug-ins
[.] [..]
alien-map.exe align-layers.exe
animation-optimize.exe animation-play.exe
antialias.exe apply-canvas.exe
blinds.exe blur-gauss-selective.exe
blur-gauss.exe blur-motion.exe
blur.exe border-average.exe
bump-map.exe cartoon.exe
channel-mixer.exe checkerboard.exe
cml-explorer.exe color-cube-analyze.exe
color-enhance.exe color-exchange.exe
color-rotate.exe color-to-alpha.exe
colorify.exe colormap-remap.exe
colorxhtml.py compose.exe
contrast-normalize.exe contrast-retinex.exe
contrast-stretch-hsv.exe contrast-stretch.exe
convolution-matrix.exe crop-auto.exe
crop-zealous.exe cubism.exe
curve-bend.exe decompose.exe
deinterlace.exe depth-merge.exe
despeckle.exe destripe.exe
diffraction.exe displace.exe
edge-dog.exe edge-laplace.exe
edge-neon.exe edge-sobel.exe
edge.exe emboss.exe
engrave.exe file-bmp.exe
file-cel.exe file-compressor.exe
file-csource.exe file-desktop-link.exe
file-dicom.exe file-faxg3.exe
file-fits.exe file-fli.exe
file-gbr.exe file-gif-load.exe
file-gif-save.exe file-gih.exe
file-glob.exe file-header.exe
file-html-table.exe file-ico.exe
file-jpeg.exe file-mng.exe
file-pat.exe file-pcx.exe
file-pdf.exe file-pix.exe
file-png.exe file-pnm.exe
file-ps.exe file-psd-load.exe
file-psd-save.exe file-psp.exe
file-raw.exe file-sgi.exe
file-sunras.exe file-svg.exe
file-tga.exe file-tiff-load.exe
file-tiff-save.exe file-uri.exe
file-wmf.exe file-xbm.exe
file-xpm.exe file-xwd.exe
film.exe filter-pack.exe
flame.exe foggify.py
fractal-explorer.exe fractal-trace.exe
gee-zoom.exe gee.exe
gfig.exe gimpressionist.exe
gradient-flare.exe gradient-map.exe
grid.exe guillotine.exe
help.exe hot.exe
ifs-compose.exe illusion.exe
imagemap.exe iwarp.exe
jigsaw.exe lcms.exe
lens-apply.exe lens-distortion.exe
lens-flare.exe lighting.exe
map-object.exe max-rgb.exe
maze.exe metadata.exe
mosaic.exe newsprint.exe
nl-filter.exe noise-hsv.exe
noise-randomize.exe noise-rgb.exe
noise-solid.exe noise-spread.exe
nova.exe oilify.exe
pagecurl.exe palette-offset.py
palette-sort.py palette-to-gradient.py
photocopy.exe pixelize.exe
plasma.exe plugin-browser.exe
polar-coords.exe print.exe
procedure-browser.exe py-slice.py
pyconsole.py python-console.py
python-eval.py qbist.exe
red-eye-removal.exe ripple.exe
rotate.exe sample-colorize.exe
script-fu.exe selection-to-path.exe
semi-flatten.exe sharpen.exe
shift.exe sinus.exe
smooth-palette.exe softglow.exe
sparkle.exe sphere-designer.exe
threshold-alpha.exe tile-glass.exe
tile-paper.exe tile-seamless.exe
tile-small.exe tile.exe
twain.exe unit-editor.exe
unsharp-mask.exe value-invert.exe
value-propagate.exe van-gogh-lic.exe
video.exe warp.exe
waves.exe web-browser.exe
whirl-pinch.exe win-snap.exe
wind.exe
179 File(s) 11,049,005 bytes
2 Dir(s) 61,978,701,824 bytes free
Standard Scripts GIMP 2.6.11
Directory of c:\Program Files (x86)\GIMP-2.0\share\gimp\2.0\scripts
[.] [..]
3d-outline.scm 3dTruchet.scm
add-bevel.scm addborder.scm
alien-glow-arrow.scm alien-glow-bar.scm
alien-glow-bullet.scm alien-glow-button.scm
alien-glow-logo.scm alien-neon-logo.scm
basic1-logo.scm basic2-logo.scm
beveled-button.scm beveled-pattern-arrow.scm
beveled-pattern-bullet.scm beveled-pattern-button.scm
beveled-pattern-heading.scm beveled-pattern-hrule.scm
blend-anim.scm blended-logo.scm
bovinated-logo.scm burn-in-anim.scm
camo.scm carve-it.scm
carved-logo.scm chalk.scm
chip-away.scm chrome-it.scm
chrome-logo.scm circuit.scm
clothify.scm coffee.scm
comic-logo.scm coolmetal-logo.scm
copy-visible.scm crystal-logo.scm
difference-clouds.scm distress-selection.scm
drop-shadow.scm erase-rows.scm
flatland.scm font-map.scm
frosty-logo.scm fuzzyborder.scm
gimp-headers.scm gimp-labels.scm
glossy.scm glowing-logo.scm
gradient-bevel-logo.scm gradient-example.scm
grid-system.scm guides-from-selection.scm
guides-new-percent.scm guides-new.scm
guides-remove-all.scm i26-gunya2.scm
[images] land.scm
lava.scm line-nova.scm
mkbrush.scm neon-logo.scm
news-text.scm old-photo.scm
paste-as-brush.scm paste-as-pattern.scm
perspective-shadow.scm plug-in-compat.init
predator.scm pupi-button.scm
rendermap.scm reverse-layers.scm
ripply-anim.scm round-corners.scm
script-fu-compat.init script-fu-set-cmap.scm
script-fu-util.scm script-fu.init
select-to-brush.scm select-to-image.scm
select-to-pattern.scm selection-round.scm
slide.scm sota-chrome-logo.scm
speed-text.scm spinning-globe.scm
spyrogimp.scm starscape-logo.scm
swirltile.scm swirly-pattern.scm
t-o-p-logo.scm text-circle.scm
textured-logo.scm tileblur.scm
title-header.scm truchet.scm
unsharp-mask.scm waves-anim.scm
weave.scm web-browser.scm
xach-effect.scm
100 File(s) 536,381 bytes
3 Dir(s) 61,978,583,040 bytes free
Standard Brushes GIMP 2.6.11 (should be in share\gimp\2.0\brushes)
Directory of e:\GIMP resources\Brush Collections\- default brushes
10x10square.gbr
10x10squareBlur.gbr
20x20square.gbr
20x20squareBlur.gbr
5x5square.gbr
5x5squareBlur.gbr
Calligraphic-Brush-0.vbr
Calligraphic-Brush-1.vbr
Calligraphic-Brush-2.vbr
Calligraphic-Brush-3.vbr
Circle-1.vbr
Circle-11.vbr
Circle-13.vbr
Circle-15.vbr
Circle-17.vbr
Circle-19.vbr
Circle-3.vbr
Circle-5.vbr
Circle-7.vbr
Circle-9.vbr
Circle-Fuzzy-11.vbr
Circle-Fuzzy-13.vbr
Circle-Fuzzy-15.vbr
Circle-Fuzzy-17.vbr
Circle-Fuzzy-19.vbr
Circle-Fuzzy-3.vbr
Circle-Fuzzy-5.vbr
Circle-Fuzzy-7.vbr
Circle-Fuzzy-9.vbr
confetti.gbr
confetti.gih
Diagonal-Star-11.vbr
Diagonal-Star-17.vbr
Diagonal-Star-25.vbr
dunes.gbr
feltpen.gih
galaxy.gbr
galaxy_big.gbr
galaxy_small.gbr
hsparks.gih
pepper.gbr
pixel.gbr
SketchBrush-16.gih
SketchBrush-32.gih
vine.gih
And, as an added bonus...
Standard Patterns GIMP 2.6.11
Directory of e:\GIMP resources\Pattern Collections\- default patterns
[.] [..] 3dgreen.pat amethyst.pat
bark.pat blue.pat bluegrid.pat bluesquares.pat
blueweb.pat brick.pat burlap.pat burlwood.pat
choc_swirl.pat corkboard.pat cracked.pat Craters.pat
crinklepaper.pat electric.pat fibers.pat granite1.pat
ground1.pat ice.pat java.pat leather.pat
leopard.pat lightning.pat marble1.pat marble2.pat
marble3.pat Moonfoot.pat nops.pat paper.pat
parque1.pat parque2.pat parque3.pat pastel.pat
pine.pat pink_marble.pat pool.pat qube1.pat
rain.pat recessed.pat redcube.pat rock.pat
sky.pat slate.pat sm_squares.pat starfield.pat
stone33.pat Stripes1px.pat Stripes2px.pat terra.pat
walnut.pat warning.pat wood1.pat wood2.pat
wood3.pat wood4.pat wood5.pat
57 File(s) 1,201,225 bytes
2 Dir(s) 188,458,668,032 bytes free
Took me a few minutes to remember how to do this using the DOS prompt!
