It supports both raster and vector graphics, color separations, various photo filters, and the usual text, paint, and draw functions.

CNN: Top 10 hot graphics tools

They reveal a shabbily dressed man, hunched over a pair of crutches, painstakingly wielding a brush full of black paint to cover surfaces with text, all in the name of asserting ownership of what he believed was rightfully his.

BBC: Calligraphic graffiti in Hong Kong