hdri yafray

hello on Da i show just my creations C4d but i am user of Blender too whith this tuto very basic i show how to use the hdri whith yafray , created a little basic scene whith textures if you want and download a free hdr on the web and goooooooo! if you understand this little tuto after it's more easy for very nice render , sorry for my bad english
file size 1336x2888
my pc : xp pro 512 mo, nvidia 6150