Every country have different views on Jesus, for example people in Africa are dark skin, so they present Jesus with dark skin , people in Europe are white skin, so they think of white skin Jesus. Every picture of Jesus is different, but each of them teach us and tell us more about Jesus, about his personality. We can also learn how different cultures represent Jesus.
In my opinion all those pictures showing Jesus are the best, as bible says : He has no form or comeliness; and when we see Him there is no beauty that we should desire Him. What this verse is saying is that Jesus was an average looking man, its not saying that He was ugly, but rather, He looks just like every other man of His time. In other words, you could not pick Him out of a crowd and know that He was the Messiah. Also all those pictures tells the true about the Jesus and maybe one of them shows how Jesus really looked like, but no one really knows that .
We can learn a lot of interesting stuff from those images, but they can also cause problems and tensions as we cant really see or know how actually Jesus look like.
Those pictures help people in their faith and worship with Jesus, because they shows what people believe in, like : crucifixion for peoples sins, his baptism as Christian and their faith in Heaven. Those pictures made me even...