Gary Naysmith's Scotland equalised with a Kenny Miller goal and drew 1:1 with on form Croatia.
Keith Gillespie's Northern Ireland beat Georgia 4:1. Goals from David Healy, Kyle Lafferty (2) and Thompson sealed the win for the Irish.
Midfielder David Cotterill came on the field with 12 minutes left. His Welsh side beat Luxembourg 2:0 at Luxembourg.
Meanwhile in international football, England paid the penalty and went down to a 1:0 defeat in Paris against France.