Hi i'm going to practice ImageStreaming my hope is to improve my intelligence , visualization skill and activating photoreaded books. I've read how to imagestream from winwenger.com already but still have some unclear questions

1) how to use all of my sense when describing the image aloud? does the smell come from external or i have to imagine the smell of my mentel image i'm seeing i'm really confused because someone said it's good to imagestream in the garden so that i can describe the smell but i think the smell should come from my subconcious instead from external world.
2) do i have to wait for the feeling and the taste of the image to come spontaneously or should i make up the feeling when i see the image though actually i feel and taste nothing ... i think if i don't make up i'll still feel nothing at all and if i don't use all of my 5 sense will it loses its effectiveness ?
3) how will my visualization improve ? will i see clearer image in my mind ?
thank u in advance.
excuse my poor english.