Advice on parenting a child who looks 'different' to others

There are some great resources available for this. We have used some with my son with multiple disabilities who looks and behaves differently. The basic premise we follow is that everyone is different. Some people have short hair, long hair, spikey hair etc. We started talking about this at a young age (before school). We also pointed out that difference is good and that although some one might point out that you are different, that it was ok because everybody is different! We also focused on different things we were good at and not good at. For example I can't ride a bike but grandpa can, grandma is good at painting, Im good at dancing etc.
We also don't get embarrassed if some well meaning person asks me or my son questions about his differences. We use that as an opportunity to educate about his conditions and how we feel about them eg yes he is different but very typical and it doesn't stop him from doing anything his peers do etc. BTW my son is the most popular young man, where ever we go everyone says hello to him and Im the one left feeling like the gooseberry!
We didn't have a problem with teasing, with so many different people being mainstreamed these days most kids know someone with a condition by the time they reach school. They are generally very accepting, they may ask questions and that is ok, and usually with a simple explanation they have forgotten all about it!