I was in my friends place near Blönduós and we were having fancy drinks. It was quite dark inside and I had no tripod and only my built in flash without diffuser, so I held the palm of my hand in front of the flash instead and used tungsten setting for white balance and viola:



So after I went home I tried several settings with my glasses on the nightstand. First without flash:


Then with flash (and set white balance to flash, too):


Then I used my hand and still flash light balance, as you see the white balance is totally off:


So I set white balance to tungsten:


Then I took a picture of my hand (with flash and flash white balance) and used that to do custom light balance:



Lastly I remembered I have a phone (which is silver), so I just used this as a diffuser (with flash white balance):