Should I be doing anything else? vegetables in a bucket question (pics)

[dixiegrrrrl]

1. Been gardening for decades now..

So I can offer some experience:
Yes on transplanting, but the key is when.
The squash and zukes need another set of leaves before they are big enough.
The peppers and tomatoes are too young to transplant, they need to have more leaves on them.

Make sure all the plants don't get cooked in the sun, depending on where you are..filtered shade is best in hotter climates. And let the soil get kinda dry before watering again.

Not sure what the milk is for????