You can't actually get a better connection on Frostwire, it justs depends on your internet. The longer you run Frostwire, though, the better the connection.
You can make a wired connection with an ethernet cable instead of wireless. You can increase the Internet service with your internet service provider. You can test your internet service connection...
First start with a warm color then just start adding layers on it don't start with hot colors because you dont want to go looking around like a hot mess.