Don't know if it is good or not as I am not familiar, but if you like it and also get other things from JonDon then maybe you can have your cake and eat it too. All you have to do is spend 5000 with JD and SFS is free, or 3000 (I think) and it is half off.
Maybe I'm wrong but isn't clip art cartoon type drawings?. Don't know what you're using them for but for inexpensive stock photos you can try www.dreamstime.com.