Splash page modification - two

I need someone to modify some code that creates a wall splash page. See test page at [login to view URL] Look at the first image (upper left). I want the original image, which is 1024 x 768, to shrink to fit vertically in the container. The horizontal would shrink proportionately and center. When the wall image is clicked, it opens an enlarged version. The enlarged version also needs to fit vertically within the container. Now, the top and bottom is cut off. Finally, if you try to view the wall on a tablet, the headline and link lines at the top are cut off. They need to shrink to fit the size of the window being viewed. The wall containers shrink nicely.