Only catalog resources that are 30MB or less and have the following file extensions can be uploaded to the catalog: jpg, jpeg, gif, png, txt, doc, xls, pdf, ppt, pps, odt, ods, odp, mp3, indd, tiff, tif, cad, rtf, csv, zip, psd, swf, obj, kmz, bmp, eps, dwg, 3ds, wav, air
For "docx," "pptx," and "xlsx" files, please re-save as regular "doc," "ppt," and "xls" files to ensure downloads are accessible to all users.
Files larger than 30MB should be compressed using Photoshop or other software before posting on the website. If you need assistance, contact email@example.com 
Representative images are also limited to 30MB, but only include file extensions: jpg jpeg gif png. Do note that these images will appear square in preview, but once selected by the viewer the full image will appear.
Powerpoint Presentations: All larger images, graphs or any other files you intend to put into your presentation should first be compressed. Video should be avoided in PowerPoint presentations, and if required you should create a pdf file out of your ppt. For this process:
For assistance with this process, feel free to contact firstname.lastname@example.org 
Be sure to include all video in ppt/pdf files as separate resources available on nisenet.org, linked and streamed from our Vimeo and YouTube Channels. Please see more about videos below.
Videos on nisenet.org are linked and streamed through both NISE Net’s Vimeo and YouTube channels.
Please do not link or stream video posted on any other site or with any other account. To add a video to NISE Net’s accounts, please contact email@example.com 
Video for training purposes of staff and volunteers should have a resolution of 240 x 320 and should include both NSF and NISE Network logo. Video should be clearly labeled as training video and follow the same naming conventions as other resource files in the Catalog (i.e.-"Inkjet_TrainingVideo_Jan11").
Video for larger public distribution should have a resolution of 640 x 480 and should include both NSF and NISE Network logo. Video should be clearly labeled and follow the same naming conventions as other resource files in the Catalog (i.e.-"SchoolTheatre_ProgramVideo_Jan11").
Suggestions for shooting good video...