I just used Instagrading.com. Great deal for only $4 a page! Edits, comments, rubric, plagiarism check. Best deal online hands down.
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One very popular site is picnik - see related links.
There are many photo editing services to choose from. Trying to sort them could be a huge task. Here is a site that will compare them for you: http://news.cnet.com/8301-17939_109-10170333-2.html
Filmora best app video editing
Final Cut Pro is the best editing system and for effects is Adobe After Effects.
http://abrax.us/Katamari/SectionManager.php?section try that site :)
Editing is important on WikiAnswers for many reasons. The main reason is that without editing, it wouldn't be a wiki. Without editing, WikiAnswers would be like any other question and answer site - multiple, grammatically incorrect, jumbled, horribly spelled answers that have bits of information here and there and never gets straight to the point. Without editing, WikiAnswers wouldn't be a Wiki at all.
editing
The Windows Movie Maker is the best free software for video editing from the laptop.
In my opinion, the best video editing software would be Adobe: Premiere Pro CS5.
I haven't heard of any picture editing sites that you can download to your computer for free, but a site that I find rather useful is piknick.com. This site not only offers the chance to add numerous effects to your photos, but it is also FREE! Although you cannot download this to your computer, all you need to do is upload the picture to the site to begin editing.
The best free editing software for HD depends on your specification. Reading full review is a practical way to know which video editing software works for you.