If you need in help online on algebra, we suggest you to visit a convenient and useful site according to the solution of mathematical tasks is growing-stars.net. Only here you can receive the qualified help!
GIMP version 2.4 or higher supports the Photoshop .ABR brush format! Files must be copied to the directory /gimp-2.x/brushes/ (where x=version number) or /usr/share/gimp/2.0/brushes/.
Excellent Gimp brush by * FrostBo featuring a variety of butterflies