Develop Altcoin (like bitcoin, litecoin, peercoin,etc.)

Need someone to create an altcoin based on available open source coins to include a few additional features designed to enhance usefulness, longevity, and acceptance of the coin while maintaining favorable features contained in current implementations. Full details provided to selected bidders who demonstrate an understanding of cryptocurrencies as well as needed coding skills. Please base your bids and time frame on a straightforward imitation of an existing coin, which after discussion will be revised upward to reflect desired enhancements.