there is many ways such as forum advertisement by auction dont kNow where section it can be found but you can try that.
It can be found on the Auction section and this is the latest round:
Advertise on this forum - Round 301It will be locked soon once the auction is done and there will be another thread made for the next round.
This is the best way to adevertise in this forum but its not that cheap , however many member here can notice your exchange having that ads and thats not bad exchange for the money you will use.