Finally at it again......slowly

[low&slow]

Bare with me guys. Questions at the bottom. Trying not to loose interest again.

Well guys for about the last year I've been neglecting my truck. I completely lost interest in anything automotive related, but I still lurked around on this site. For about the last 4 months, every time my buddy came over, we'd drink and talk about getting back to work on the truck the next day. That never happened, until.......4 days ago. We started having a few drinks about 3 hrs before it got dark. We then started to talk about the truck and since it was still light out we began to work on it.

2 hrs later, we finally finished plumbing the gas tank (leaked real bad before). Then had to go get gas..duh.
Now its about midnight and we finally get the truck to start using the moon for some light.
Well that was it for that day.

Couple days later, we got it running (w/out jump starting it), put some fluid in, and drove it down the street.

Well now I have noticed that it seems like the throttle sticks a little, but the linkage is completely free to move. Sometimes when I rev it a bit, it doesn't always drop back down.

Also, every time I shut the truck off, the carb smokes for about 5 minutes.

And one more thing, Some times I will just be idling around the yard and the power will just cut out. Stop, put it in park, and starts right back up.

So, what's going on here? Has never done any of this before.