twinkie

A few years ago, I did a watercolor for my church and my DH framed it.

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Here is my dilemma. I did this one on a 2"fusible grid. Two of our church members lost their sister last year and has decided they want a watercolor using pieces of their sisters nightgowns and sheets. She was a godly woman and they want me to use my own thoughts for the design. They want it about 36" x 48" to hang over their bed. My creative juices have hit a brick wall. Any suggestions? Please