Do you have a portfolio, or examples of your work?
He was trying to sell fake Beats by Dr. Dre, until people realized they were fakes and he conveniently bailed and stopped answering questions: https://bitcointalk.org/index.php?topic=56792.00
He is also selling phishing programs. I am quoting the thread instead because it is only a matter of time before it gets removed:
ok hurry before it gets take down but i am selling fake phisher programs or fake programs to bind to i have made many before and ARE USED ONLY FOR EXPERIMENTAL PURPOSES ONLY. all i need is a gmail account of your choice and io then make the program. the fake binding programs are 0.2 to 0.5 bitcoins and the fake info stealer programs are 0.5 to 1.2 bitcoins message me or quote can start making tonight:)
I think that sums up the nature of business you can expect from Black_Star fairly well. Have fun!