Howto install webp on debian squeeze

  sudo apt-get install build-essential
  sudo apt-get install libjpeg-dev
  sudo apt-get install libpng-dev
  sudo apt-get install libtiff-dev
  wget https://code.google.com/p/webp/downloads/detail?name=libwebp-0.3.1.tar.gz&can=2&q=
  tar -xvf libwebp-0.3.1.tar.gz
  cd libwebp-0.3.1
  ./configure --libdir=/usr/lib
  make
  sudo make install