Great free website to support the government's scheme. Beware of the intrusive advertising banners though! Stick to the parts that are relevant to you.
Some really fun free phonics activities here...and not too many adverts! Areas for children, parents and teachers.
BBC have been making Words and Pictures for years. Have a look at their support materials for the TV programme
the Dfes official site.
Twinkl has downloadable resources for each phase of the letters and sounds scheme.
New site with books, handwriting and .phonic worksheets. All free...you just need to register