It is funny, I agree. Ours would walk on in and eat inside the bucket those little buggers :)
After raising it up some and them getting a little bigger was all it took, I also created a smaller version out of a 2 gallon bucket for the next time, to transition to the big bucket, so I can start...
I think you're on the right track. We also use a feeder similar to what you have now, we cut 2.5 holes in a 5 gallon bucket and use a 4 inch tube directly in the middle for spreading out the feed. We also changed over at the 3 week mark, had the same problem, they would "walk right in" the...