Flatten a Nested Directory & File Hierarchy from Command Line of OS X

Lets say you have this kind of file/folder structure:

master folder ---- folder1 ---- image1.jpg
               |            |
               |            |-- image2.jpg
               |
               |
               |-- folder2 ---- image1.jpg
               |            |
               |            |-- image2.jpg
               |
               |-- etc.

You can take all the *.jpg file or any file type, and move it into one single/master folder.
Here are the command to use:

cd <master_directory> <-- master/top folder where all the file are located inside it
find * -type f -print0 | xargs -0 -I%%% mv -n %%% ../<new_directory> <-- "new destination folder"