Honestly, you should have put a border around it.
When you put a border on your signature, it makes it like about 4x as good.
If you want to make a border, follow these steps:
1. Cut a hole in a box
2. Put your junk that bo-
No wait, wrong tutorial.
1. Make a new layer above all of the other ones, then go to Image > Apply Image. Press OK.
2. Now go to Edit>Stroke. Apply whatever settings you want (3px black border is recommended for your signature; other sizes and styles vary. Just play around with it).
Tip: You can have more than 1 border too. All you need to do is just repeat steps 1 and 2, but edit the size and color of the strokes. Like, on the bottom, a 6px stroke, then the top, a 3px stroke or something. It really depends on what you like.