Select more than one part from one or more of the supplied images and/or your own or other free to use images.
Apply your Homeland Security skills to your selections to extract their secrets.
Composite the results to make an image that you think fits the theme: Old Age Sucks!
You may use text as well, if you need it.
Remember old age affects animals as well as people and can be funny as well as tragic.

Here are tutorials on torturing pixels and compositing images that might inspire you.
http://psd.tutsplus.com/tutorials/photo-effects-tutorials/photoshop-compositing-secrets/
http://photo.net/learn/digital-photography-workflow/advanced-photoshop-tutorials/intro-to-compositing/
http://www.digitalartsonline.co.uk/tutorials/photoshop/advanced-compositing-techniques/

Usual limits apply: submitted image maximum dimension= 900 pixels width or height, maximum file size 200 KB.