I took a bunch of pictures for you guys... Before I post them though - I have a question for all of you experts out there! Rusty is pretty reliable - he doesn't buck or do anything mean (that I know of). He can be quite lazy though - looking for any excuse to slow down to a walk or sneak off the rail in the arena. Lately though, he pins his ears back when I ask for a trot and does the same at the canter. Now, keep in mind that I've only ridden him about 4 times recently, due to being sick. He is quite out of shape in that respect.
I thought my western tack might be the problem - newish bridle/bit and a saddle that might not fit 100%. I checked all the tack for the obvious problems - rubbing, pinching, etc. and found nothing. I decided to work him in English tack tonight, because he is more used to that.
I lunged him with his saddle and just a halter. I let him warm up for 1o minutes or so, walking and trotting in both directions. Just for kicks, I asked him to canter. He pinned his ear, shook his head and did a little crow hop. Weird. I stopped him and checked all of his tack - everything seemed ok. I reversed his direction and tried the same thing - he cantered a few steps but looked like he was about to buck. Interesting. He doesn't act fresh like other horses - I think he is too lazy!
I decided to get on and see what he was like while riding. I double-checked my tack again and everything seemed fine. He was good to walk/halt and circle. Back up was fine. But asking him to trot, back go the ears. It isn't just a flicker back and forth to listen, his ears were really back. He wasn't lame - no limping, bobbing or sensitivity there. I tried a few times in both directions and got the same response. I didn't even bother with the canter - why push him at this point...
So - long story here -but anyone have any ideas? I think his tack is fine. He just saw the farrier last week and he said his feet were great. The vet just checked him 2 weeks ago and thought he seemed fine. She even checked his teeth. Everything else about his personality/attitude is fine - just when asked to work he pins his ears and seems agitated. I always check his back when I am groooming him - I gently squeeze down both sides of his spine to see if there might be a bit of tenderness (edited to add: I know this isn't necessarily an indicator of true back pain...). He never seems to feel off there either. Feel free to offer any advice you might have...
Here are a few pics to make up for the long post!
The leaves are starting to change colours in the background. There are often wild turkeys roaming in the back field.
Cat penning? Cat team sorting? Rusty and I are herding that cat. The picture is blurry because we are moving so fast. LOL. We were just walking, really. The cat sat on the mounting block meowing at me most of my ride. Too cute.

This shot is of a big boat (ship?) heading down the river. It took me by surprise as I didn't quite realize that behind the trees the island went straight down to the river!
This is a bit late to be posting - but it still deserves recognition.
THE ARTE Y PICO AWARD