Stitched but needs straightened

Started Mar 19, 2011 | Discussions thread
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Kexi Cao
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Stitched but needs straightened
Mar 19, 2011

4 pictures stitched with photoshop but don't know any good ways to straighten the picture. Any help will be greatly appreciated:

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Canon 5D Mark II
Canon 20D
Canon 70-200mm f2.8L IS II
Canon 24-105mm f4L
Canon 16-35mm f2.8L II
Canon 50mm f1.8 I
Sigma 50mm f1.4
580EX II
Olympus E-PL1
Olympus M 14-42mm
Panasonic G 20mm f1.7
Casio Exilim EX-750

 Kexi Cao's gear list:Kexi Cao's gear list
Canon EOS 5D Mark III Canon EOS M Canon EOS 70D Canon EF 16-35mm f/2.8L II USM Canon EF 70-200mm f/2.8L IS II USM +2 more
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