I don't know if it's faster, but how I link flickr pics is:
Click ". . ." right of a flickr image
"Download/All sizes"
"View all sizes"
"Medium 800"
Right click the image to select "View image"
Copy address
Go to CPF forum's "Reply to Thread"
Click "Insert image" icon
Paste address
Have you tried that, say, lately?
Like today?