There is no such tool available for linux yet. One (costly and propreitary) way is use Flash MX with Crossover Office.
The following may find interesting to you.
Macromedia will begin experimenting with Linux support, releasing versions of its development tools that work with the open-source operating system, a company executive said on Thursday.
Speaking at FlashForward, an annual conference for developers who work with Macromedia's Flash format, Chief Software Architect Kevin Lynch said the company would begin soon by offering optimizations to allow Flash MX, its main set of tools for creating Flash content, to work smoothly with Wine, an emulation program that allows Windows programs to run on a Linux PC. Depending on developer interest, the next step would be to produce Linux-native versions of Flash MX and other applications.
Nyways i neither have the money nor the will to buy macromedia flash. But it seems as if we can save OOimpress presentations as .slw . So thatś pretty good for publishing in web, but not for core flash apps designing.