I'll have to reject the hack as we don't accept hacks that are solely just Level Remakes in SMW.
The main reason is that it's been done to death and due to the mechanics and controls of SMW it makes a lot of the design found within SMB1 rather trivial and easy. It's also very easy for anyone to create.
We have got hacks on the site that were done and accepted way back in 2005 when this was more impressive. You can find these here:
By all means if you want to make a more classic inspired SMW hack then you can however I'd also take a look at this hack to get some ideas about how you can take the SMB1 design but make something new out of it: