picture blog

my aim is to make a blog that shows pictures… simple…

ok, its not quite that simple, at the moment i am using the basic media uploading pictures and the nextGen pluggin for the photos, neither of which do what i want, im getting close but it still isnt working in my favour.
what i need is for people to come to the site and share the pictures on social media sites, as it will be my main source of traffic…
the closest iv got to my goal is by using the basic media uploading photos and using the ‘shareholic’ pluggin, this is very good as it shares the picture to wherever the user wants, however
the problems doing this is that it seems to only work if i put my picture per post, i have no problem doing this but i need some way of once they click on the post/picture, there needs to be a next/revious button to view the pictures which there isnt.
also when clicking on the certain page with the pictures in, the post shows up but then there is a massive gap to the next picture which again i dont want, i would preferably like all pictures to be next to each other and once clicked it links to another post which shows the picture enlarged, where then the user can share etc. also like i said previously have the next/previous button so they can scroll through pictures that way

if anyone could help me, this is my first web site so i am still learning and having fun doing so but this slight hiccup is bothering me ??

thanks guys