Simply search on the words "landscape design" then check out any of the images that the search brings up.  Most browsers have the options Web, Images, Video, Local, etc. at the top of the screen.  Click on the word video.  Another search can be done on the words "herbal garden design".  It really is that easy.  For someone your age this should be almost second nature.  It's not like you were born 100 years ago.