To edit the slider you need to changes the images and urls directly in your template code.
To edit the social icons links you need to search and changes the urls directly in your template code.
This template includes a logo in format .PSD, you can use a open source program to edit it, e.g. Gimp.
NewsReport is a free Blogger template adapted from WordPress with 3 columns, left and right sidebars, ads ready, footer columns, slider, posts thumbnails, tabs, drop down menu, pagination and neutral colors.