Filter Gallery (all of filters that I used) Image>Filter can do a whole lot of things, but Filter Gallery doesn't have everything in it...
Regular
Alex_filter1.jpg
Neon Glow
Alex_filter2.jpg
Patchwork
Alex_filter3.jpg
Stamp
Alex_filter4.jpg
Paper Cutout
Alex_filter5.jpg
Fresco
Alex_filter6.jpg
Colored Pencil
Alex_filter7.jpg
Poster Edges
Alex_filter8.jpg
Water Paper
Alex_filter9.jpg
Plastic Wrap
Alex_filter10.jpg
Smudge Stick
Alex_filter11.jpg
Solarize
Alex_filter12.jpg
Don't know what
this is yet...
Alex_filter13.jpg