Wessex Games is supporting this charity with War Game Vault.
From their announcement:
You may have seen that Henry Hyde, editor of Battlegames, undertook a 25 mile fundraising walk for the Battlegames Combat Stress Appeal on October 1st.
To help we've donated the latest proceeds from the Aeronef Over The Aegean charity supplement but have also decided that we will donate ALL our royalties from PDF sales of all products on Wargame Vault for the month of October...
Check it out here.
And more here.
(and if you are a UK citizen click the Gift Aid which adds another 28% to the donation)