We have all had doofus clan members donating the wrong troops, inappropriate troops, too weak of troops etc. Moderating clan members to correct this behavior is hit or miss as the donation message only flashes for a few seconds, and is only visible on the map view.
My suggestion is to add a way to track the troops you have been given, to show who gave them to you. So you can say thanks, or they can be coached on following clan rules.
Thanks,
Adam 'broke' G
