Often I am hunting through my blog to find a specific picture, which, of course, I can't remember when I posted it or what section I put it in.
However, I have just learnt that you can use Google Image search to return all pictures on a site:
1. http://www.google.com/imghp (or just go to the normal google search page and choose Images)
2. type in site:andwebaddress e.g.
3. Press enter and there you are:
(h/t to tjic)