Set tool options for mode, opacity, etc. in the options
bar. See Paint tool options.
Select Aligned in the options bar to maintain the pattern’s
continuity with your original start point, even if you release the
mouse button and then continue painting. Deselect Aligned to restart
the pattern each time you stop and start painting.
Select a pattern from the Pattern pop‑up palette in the
options bar.
If you’d like to apply the pattern with an impressionistic
effect, select Impressionist.