Really like photo 1 and 4, they’d look great in B+W also.
Second photo seems a bit underexposed, well exposed for the sky.
Is that lens flare or just a different colour on the top of cross?
Aside from that I like the angle and the flowers in the photo.
The second photo was more exposed for the sky as you said, but I’m still quite happy with it. The blemish is actually a drop of water, it was drizzling as I took the shot, I thought I had my lens covered until I got home.