Importing Full-Size Images

[Kacper]

Hi,

I am trying to import my Flickr-images using FlickrRSS and using them
as a background-image.
The biggest size I am able to import is »large«, which has a width of
only 1024px.

Is it possible to import a bigger version of the image using
FlickrRSS?

Best
Kacper