mkdir Desktop/boost
cd Desktop/boost
wget http://downloads.elitefrontier.org/boost_1_36_0-OSX_10_5_5.txt
mv boost_1_36_0-OSX_10_5_5.txt boost_1_36_0-OSX_10_5_5.sh
chmod +x boost_1_36_0-OSX_10_5_5.sh
The script will download boost-1.36.0 into the current directory and
then build boost as an OSX Framework bundle.
See contents of the script for details.
Sharkey