It looks like this thread hasn't revived yet. Swaps tend to go dormant during winter months.
How it works is, if there's a current offer posted, you would reply "mine" to it (meaning you are claiming their offer) and would immediately post your own offer. Then someone else would call "mine" on...
Mine welsh harlequin!
OFFER:
8+ silkie eggs
OR
Kombucha scoby
OR
$15 Walmart gift card
I will add the link for my swap page in a few for mobile users. I'm on mobile and need to find it