Solution:

The Order of stupidity in decreasing order(most stupid to least) is 4,1,2 and 3.

Explanation:
Cutting his own trunk so Guy-4 is most stupid.
Next is Guy-1 as he is gagging on a tree that is to be cut down by guy-2.
Next is Guy-2 as he is not considering him to go down.
Guy-3 is a bad person but not a stupid one.

Solution:

If You can read this you are awesome.

Solution:

The five hidden words are
1. Rush
2. Paint
3. Tap
4. Bucket
5. Roller

Solution:

Women-2 as the husband-wife has the matching ring.

Solution:

Since the beer bottle is closed, No glass will Ever fill.

The video-version of the puzzle is added below.

Solution:

The hidden cat is encircled below.

Solution:

39.

Solution:

405

For an explanation, watch the video.

Solution:

38.

Watch the video for an explanation.

Solution:

51

For Explanation, Watch the video.