In the last case, would they retain their 3mb per .jpg on Flicker? i.e., not compressed.
To quote flickr:
Are there limits on file sizes or file types for uploads?With a Flickr account, you can upload photos up to 200MB in size, or videos of up to 1GB for each video.
How many photos and videos can I upload for free? When you have a free Flickr account, you can upload up to 1 Terabyte worth of photos.