Thanks guys, the links and info are much appreciated! I was thinking I'd go with a tougher wood, like poplar, but there's always a trade off, the harder wood is more durable, but also harder to work with. I even thought of using oak, but oak doesn't typically fair all that well with water, but, if it's completely sealed, it may not matter... So many choices!
I do like the idea of the PVC decking, I hadn't thought of that.
I'll try out the links and see if I can get some ideas going.
PS: I didn't realize you could search for specific posts, so I've been wading through millions of entries looking for anything about the screw eyes, so thanks for that too. In case you couldn't tell, I'm a bit new to the forum process.
Thanks again guys!