Tryst is frequently noted here.
TER not as much - occasionally.
Sharing the dates you'll be around on here, tryst and p411 will be your best options for the discerning hobbyist. Skip the games is the catch all if you want to post there as well.
People like to read reviews on TER and P411 is a good verification site. Tryst seems to be a good place to put up quite a few pictures and give a good idea of your personality and what you enjoy.
Not all people have P411 accounts, and while they maybe can't see complete reviews on TER, they like to see that there are reviews so that you are legit.
Big thing is to put travel dates out there a week ahead of time so people can plan schedules