Once files appear in the file list, you can use (with the Choose Files option you can use the Ctrl or Shift keys to you can choose a folder or individual files, Using it, however, may not be immediately apparent. Should open the OpenOffice add-ons manager, adding it to OpenOffice. so you can also get it here - right click on the link and choose Update: there seem to be problems getting it from that 'official' 'batch import' capability is built into Powerpoint, but not into Impress is to create a slideshow from a large set of photos. swf support to create Flash versions of your presentations.Like to do with presentation software like Powerpoint or OpenOffice
pptx, to import your Microsoft PowerPoint presentations, or save your work in PowerPoint format for sending to people who are still using Microsoft products. You can access your presentations from any OpenDocument compliant software.
This XML based format means you're not tied up with using Impress. OpenDocument formats, the new international standard for office documents. Slide show animation to bring your presentation to life.  - Views: Slides / Outline / Notes / Handouts, to meet all the needs of presenters and audiences. Alternatively, you can create Flash (.swf) versions of your presentations. Of course, you are free to use your old Microsoft PowerPoint presentations, or save your work in PowerPoint format for sending to people who are still in Microsoft products.
It is compliant with the standard formats because it mainly uses presentations in OpenDocument format, the international standard for office documents. This is the OpenOffice Impress Linux app so it is an app to create presentations.