I have a google image: http://lh3.googleusercontent.com/YCHiHLv3pCrzi1dK4CFPMkyxPddG8qjsjez-ufiqthPhnqI5XIG39xuXPp0H4Di1BZk-RrIiAyb1nhUOGlA

Tried resize this image by add the "s=PixelValue" in the end of URL.

Example :

http://lh3.googleusercontent.com/YCHiHLv3pCrzi1dK4CFPMkyxPddG8qjsjez-ufiqthPhnqI5XIG39xuXPp0H4Di1BZk-RrIiAyb1nhUOGlA=s100 -> worked

http://lh3.googleusercontent.com/YCHiHLv3pCrzi1dK4CFPMkyxPddG8qjsjez-ufiqthPhnqI5XIG39xuXPp0H4Di1BZk-RrIiAyb1nhUOGlA=s200 -> worked

http://lh3.googleusercontent.com/YCHiHLv3pCrzi1dK4CFPMkyxPddG8qjsjez-ufiqthPhnqI5XIG39xuXPp0H4Di1BZk-RrIiAyb1nhUOGlA=s300 -> worked

But from s=600 :

http://lh3.googleusercontent.com/YCHiHLv3pCrzi1dK4CFPMkyxPddG8qjsjez-ufiqthPhnqI5XIG39xuXPp0H4Di1BZk-RrIiAyb1nhUOGlA=s600 -> Google return wrong image, it's different image but same URL