Jailbroken mail tweak?

[filo4129]

I had to restore my iPhone last night and I've been trying to put everything back on today. But there's one...tweak? that I can't remmember the name of. When you get an email it shows it to you in a little box on whatever screen you're on. If someone could give me the name of this I would really appreciate it. I'm thinking maybe i'm missing a source?

 

[gieaz2]

Notifier is what you seek

 

[LVCIFER]

You got it from Rock, and it's called "eLert".