I am not a good painter, but because 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. You can download files from github/firebird-logo I am Using www.Inkscape.com  to edit svg file For inno setup small logoFor innosetup large logo but must be 164×314 All of pictures under licensee IDPL, you can use it where you want. By using Gimp 2 to make Beveled picture (Script-Fu->Decor->Add Bevel) with Thickness = 5