>>31848837As a footfag I kind of like the idea of smell as something else to appreciate and for the reactions it'd garner. It's pretty much usually a natural smell or perhaps accented with sweat or maybe scents from body products. The really horrible smells some people describe are not to my taste at all and I believe that such people are more interested in smell itself or its masochistic applications than it being just another aspect of feet.
Given that she wears boots, apparently without socks, and is probably active and in them long enough, it means her feet are going to have a stronger natural smell mixed with maybe sweat and the material her boots are made out of.
>>31849655Dirt also feels like something where its presence could imply being more interested in the submissive associations. I can get behind it for the contrast it can provide with certain skin tones and possibly giving the some background to a picture.
>>31850480While I wish this picture was different in a view places, I must it admit it does show an overall quite attractive scene.