Lots of different resources including some translated letters about holidays in term time; Polish dual language resources for different subjects and topics at all levels, nursery, primary and secondary; procedures and assessments and other materials. Worth a browse.
Essex County Council have produced a number of booklets with useful phrases for new pupils in a variety of languages. Can be used by teachers and pupils to ease communication and by parents to get messages across to schools and vice versa.
provide visual stimuli for pupils to write from g. photos, video, artefacts eg Literacy Shed
talk about the structure of English and possible similarities and differences with other languages eg. different word order, articles etc. (Omniglot details some common challenges speakers of other languages have)
A good overview to supporting EAL Pupils in the classroom can be found in this article from Headteacher Update magazine. It is a good introduction to a teacher starting to approach this subject or for probationers looking at what is current good practice.