I have been a Flickr customer for a very long time, but I don’t know how to use my images for other sites.
Kindly see the link below -
You can see that you can use Guest post feature to use your photos in other sites.
what do you mean by get my pics back from Flickr?
Bulkr: Download Flickr Pictures In Bulk
3 Awesome Tools To Download Flickr Photos & Sets