change the number of images to thumbnail

Hi everyone, I am using portfolium theme. All i want :

1. to change the number (1,2, 3….) of images to small thumbnail, so the visitor of website will click the image from the chosen thumbnail.

or just

to make the thumbnail appears by hovering the number

2. To move the image and number/thumbnail to the right, so it will more space for page/post in the left side

this is my link

thanks in advance