Having lurked on the boards for a year prior to our October trip, we had read many tips. We always wanted to try and find the paintbrushes, and on the last day of our trip, we just happened to be near TSI when it opened. We took the first boat, and were among 10-12 people looking for them. We were there for a long time (at least a half hour) and figured that they'd all been found. My 2 year old spotted one in the bushes, and we were given fastpasses for Splash Mountain. The kids were thrilled, even though she was too small to use it!
It was a great memory, and well worth the time spent there-even if we hadn't found a brush.