Not being a fan of either cold custard or cream I've never been a trifle person. At Christmas I have often been offered jelly as an alternative to trifle and the jellies at my father's house were always the best. Rather than sticking with a single colour my father would make stripey jellies in all sorts of shapes and sizes.
This year we found some lovely vegetarian jelly crystals made by weight watchers so I decided to have a go at making stripey jellies. Unfortunately they don't seem to make a green jelly, but I managed three colours with blackcurrant, strawberry & raspberry and orange jelly: