Alan Titchmarsh has shared a touching tribute to his "dear friend" Tommy Walsh following his death. Walsh passed away "peacefully after a long illness surrounded by his family", according to a statement released yesterday.Walsh found fame on BBC show Ground Force alongside Charlie Dimmock and Titchmarsh, with Titchmarsh paying tribute to him during an appearance on Good Morning Britain."He had a great ability to be himself. He never put on airs and braces.