Hi,

Try cropping your photo?
If you are using an iPhone ; try holding the phone horizontally when snapping the pic.
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I use a free program called PhotoFilter 7 ( 7.1.1)
It's quick and easy.
There you can rotate, crop and watermark ( layer) you photos.
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Try the "upload manager" rather than the tool bar to upload files:
-click on "Go advanced" ( bottom tool bar)
-scroll down to "manage attachments"
(valid file extensions are : bmp doc gif jpe jpeg jpg mp3 pdf png psd txt zip )
-click on "Add files"

Upload manager will store your recent uploads as well