London (CNN) Photoshop can be a useful tool for anyone to alter reality in their favor.

But, as British Prime Minister David Cameron found out, when the editing is so bad that it is obvious, the results can be hugely embarrassing.

Especially when the editing involves sticking on a badge meant to commemorate soldiers who have died in war

Yes, someone from the Prime Minister's office crudely added an oversized Remembrance Day Poppy to Cameron's Facebook profile picture.

"This was an oversight and the picture was quickly taken down," a spokeswoman at 10 Downing Street told CNN.