Nonograms

According to the UK's "Sunday Telegraph" newspaper: "Nonograms are puzzles from Japan and are currently published each week only in The Sunday Telegraph. Simply use your logic and skill to complete the grid and reveal a picture or diagram."

Essentially, each row and column of a rectangular bitmap is annotated with the respective lengths of its distinct strings of occupied cells.

The puzzlee must complete the bitmap given only these lengths:

is solved as: