when to flush what signs am I looking for and also...

to me it looks like it has alot more fattening to do. id leave it for 2 weeks and another 1 week of flushing. approximative

Do not "flush" until there are 95-98% brown pistils. "Flushing" does not mean drowning your plants with gallons of water, all that is required is to stop all ferilizers/nutrients/supplements for the last 10-14 days before harvest. All you have to do is give plain water, in normal amounts and at normal intervals.....and the plant will "flush" itself naturally. Your plant still has another (approx) 3 weeks to go.

You really need to get a closer look at the trichomes to know for sure. Different strains mature differently and you really can't go by the look of the plant too much.