If you could only use one brush set, which would it be? Looking to put together a must-have brush pack, anyone that contributes in a helpful way will receive credit and also I will let you download the pack when I am done! I would like to keep this to 15-20 brushes, but I have not decided yet, so bring on your best! Looking for the brush name , style (grunge/abstract/smudge/etc) and ...