SwfModify program is useful tool for edit , rebuild flash file, and it's free. It's different from other edit tools. You need no experience of flash design, all you should do is click mouse button. You can replace virtual item in .swf file, and save as another flash file. In the future, we hope every user can upload your flash resources for the others. If we share more and we can get more. All you need to do is:

1.Open a flash file extension is .swf
2.Edit current frame or all frame
3.See preview in player and save new flash file.

SwfModify allows you to view and modify your SWF files. The software features a friendly user interface and allows you to export your SWF frames.

The license of this software is Freeware, you can free download and free use this flash tool software.