Ok, the cold hard truth here. If you put something on the internet out to the public expect it to inspire others. It just shows they enjoy your work and want to learn from it, that's what being an Idol is about.
"In a recent decision of the Full Federal Court, the Court reaffirmed the fundamental legal principle that copyright does not protect ideas and concepts but only the particular form in which they are expressed.[2] The effect of this principle is that you cannot copyright a style or technique. Copyright only protects you from someone else reproducing one of your actual artworks – not from someone else coming up with their own wo