I am not a good painter (not at all :p), but becuase FirebirdSQL it is my favorite database, every time i install it at my customer computer, i think why not have a good logo like as another SQL engines.
I am Using Inkscape to make it ,www.Inkscape.com svg file
For inno setup small logo
For inno setup large logo but must be 164×314
By useing Gimp 2 to make Beveled picture (Script-Fu->Decor->Add Bevel) with Thickness = 5