Picture 1 is looking up at the crux of the scramble.
Picture 2 is looking down at a glacier tongue.
Picture 3 is me peaked on Cerro Madsen with Fitz Roy in the background. As a note of interest: while Everest has been summited by 2238 individuals as of 2004 (1148 of them since 1998), Fitz Roy may only be successfully ascended once a year.
Picture 4: looking down at the trekking viewing area and glacial lakes.
Argentina