When the images have this "washed up" appearance there normally is a problem with the black point. Just move the black point to the right, then raise luminosity to taste. I also pushed up saturation a bit.
I briefly reworked your first image, hope it appears under this line.
PS Before somebody complains that this site is not about how to work images, I will mark that this site encourages people to post their images in the gallery and I don't see how can they do it without some hybrid work. It's all too necessary that people are helped in uploading their - fatally digitized - images in a photographic forum so as to make them, and themselves, justice.