Pictures: For this image must be downloaded before, for example here.
Try not to download large images, and the reduced post a copy.
If the image is very large, about exposes it as a preview (3rd link).
Files: Any files (be it music, video or what something in this kind) better load through our host. The file can be any format, BUT not more than 100 MB in size.
After downloading the file, put in the subject active link. You can sign it (for example, "the best clip" or "new song", etc.) and can simply leave a link. This is already your choice.
If you have any questions, then you can ask them in this topic.
