Any nice tasty salad ideas?

Hello people! Does anyone have any ideas on lovely summery salads? I went to someones house for lunch and they made me a feta cheese, asparagus and orange salad and it was lovely! I was wanting to make more winning combinations and wondered if anyone else had any top salad tips??
Thanks!! : - )
Update: Thanks guys these are great!!! My mouth is watering already, keep em comin!! : - )
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