mini project in vb, E-R diagram

hello friends i m a new user to this forum.
I m in 3rd year and this year as usual we have to do a mini project
so plz suggest me a topic which is creative.
My problem doesnt ends here I want some reference to do my project
so plz give me a suitable ideas where i can refer & do my project.
In our college problem starts with E-R diagram so anyone have E-R diagram
related to project help me .
Thanks in advance