No mate green flag went out years ago as far as I know, now almost every insurance will cover you for as long as you request, most of them will include that in their policy ie, 3 months or more, mine is 9 months all over Europe.
Yes bob recovery will only be driving from hook to site and back (80)miles we going with friends with caravan and they will drive us around so need a cheap recovery policy !
There's a suggestion in this recent thread, and you may find others discussed in the Caravanning and Camping Abroad section, as well as the better known providers like RAC, AA, ADAC, Britannia etc. (Try the Search button)
Check the small print - some companies have restrictions on age, length or weight, for example.