[@Blizz] Pasted? As in right click -> copy (select Ctrl+C) right click -> paste (Ctrl+V)? No.
If the image is uploaded somewhere ( = anywhere on the 'net) you can just copy it's location (right click -> copy image location/address) and paste (Ctrl+V) the link between the [noparse][img][/img][/noparse] tags. 

Demonstrated with my avatar: 
This bit:
[noparse][img]https://rpguild-prod.s3.amazonaws.com/avatars/6e264ea74a6b956dc0125f91e3b6a12a1c3166db.png [/img][/noparse]
Yields: 
[img]https://rpguild-prod.s3.amazonaws.com/avatars/6e264ea74a6b956dc0125f91e3b6a12a1c3166db.png[/img]

...[@Mahz]. Your url autoparser is a bit too overzealous. It doesn't get overriden by noparse. It also ate the [noparse][/img][/noparse] closing tag between the noparse-tags before I put another space before said closing tag.