thatd be lovely. here are some things i hate off the top of my head
1) no way to change sort order of directories {i have to scroll through three years worth of directories to get to the most recent photos. i wrote a script which generates a list of symlinks from my pics folder in reverse-sort order as a stupid workaround}
2) tapping edge of screen to change images is wonky {you cant see the edge in the dark on a photo with black bars}
3) no easy way to see where in the list you are {at the end, halfway through, etc}