Using Ruby on Rails what steps can I take to create a image picker. This is a image object which I can use all over my app:

Using paperclip and a polymathic association making images available to all other models. I wish to list the images in each model and chose which of them is associated to a individual new or old record.

for example: I could use the image as a sidebar image or a banner or advert image etc.

I would be great full for any help.

Thanks

Dan