I did this some days ago, stock parts only, no plugins, less knowledge about good rocket design than today. Due to a near-fatal design flaw, it was even more fun than expected: http://imgur.com/a/LIbwf#0 And here's the accompanying reddit thread: http://www.reddit.com/r/KerbalSpaceProgram/comments/10ynjn/to_the_surface_of_laythe_and_back_again_with_only/