The Island of Lost Joys LXXXV

I've been discouraged.

Two out of the three solstice paintings I worked so hard on all fall (and put so much love into) got lost in the mail, which I see now made me not want to paint any more. One finally arrived, but one is still missing.

Lost, indeed. 

Here's some more light: 

Given: DL, MFBTFBFFFBC.