If you've used the "subscribe" option, then all the threads you've posted in are in your User CP (the first link on the green bar towards the top of the page). If you haven't, then you should turn that option on if you want to keep track of where you've posted.
lol okay thanks and at the bottom there is a similar thread link that i couldnt find when i was searching...i guess im just terrible at forum type things...anyway feel free to delete this