Please capitalize where necessary: on all bus sheds are an advert for toilet paper: an ecstatic male photo model sniffs to a roll of toilet paper.
A: On all bus sheds are an advert for toilet paper: an ecstatic male photo model sniffs to a roll of toilet paper.

Please capitalize where necessary: individuals with surname gUttler
A: Individuals with surname GUTTLER

Please capitalize where necessary: you can also convert ntfs partition to fat but, before converting you need to take backup of entire partition.
A: You can also convert NTFS partition to FAT but, before converting you need to take backup of entire partition.

Please capitalize where necessary: free of this pressure, i can concentrate fully on my other ambitions, for instance, earning my place amongst the ten best in the world".
A:
Free of this pressure, I can concentrate fully on my other ambitions, for instance, earning my place amongst the ten best in the world".