Decorative pillows, wall hanging, etc. made by felting. Can incorporate any theme.

Without the “My Prayer…” (or change the text), have each child draw or paint a bird and affix them to a canvas, on which they would have painted the branches of a tree.

Photos of the children from above, shaping them into flowers (not a snowflake), perhaps creating a garden. Hearts, etc.

Each child paints a small canvas in a particular range of colors; affix them to a board.

This is a great idea! As long as there is some consistency with colors, shapes or the theme so it's not too random...

Each child paints a small canvas to create a whole picture.

Each child paints a flower on an old glass window to create a garden.

Take each child’s photo; use the Pop Art style to make a collage of them together.

Each child paints a bird on a small canvas to create a whole painting of birds in a tree.

Each child paints some paper, which is then cut out in leaf shapes and affixed to the branches of a tree they have painted on a large canvas.