I was wondering if there is any kind of FREE software out there that I can use to upload videos and basically draw lines on it? I don’t need anything designed specifically for golf (they tend to be $$$$) I would just need something I can open up a video on my computer with and put alignment lines on to check things such as my positioning and swing plane. Any help would be appreciated 
http://tinyurl.com/m3o69p
Simple Golf Tips – Lengthen Your Drive and Shave 7 Strokes off your Next Round
Swingyde will provide you with the feedback necessary to hinge the wrists correctly and assure that the face is perfectly square throughout the swing. In addition, it will help maintain a ‘preset’ lag position on the downswing & into impact.
Click to purchase:
Duration : 0:3:20
Visit http://www.eyelinegolf.com for details
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The Swing Jacket’s arm cuffs slide along scientifically positioned rails guiding the golfer through the full range of motion of a complete golf swing. Golfers of all levels of ability have an opportunity to feel how a great golf swing should feel.
Click to purchase: http://www.practicerange.com/detail.aspx?ID=694&GCID=C16590×011
Duration : 0:1:6
The patented ASSIST, with its precision bent shaft, exaggerates the release to teach the correct hand action for longer straighter shots. Plus it eliminates slicing.
Click to purchase: http://www.practicerange.com/detail.aspx?ID=603&GCID=C16590×011
Duration : 0:3:13
The Smart Stick provides continual, visual feedback throughout the entire swing utilizing green lasers and an innovative wrist bar that will teach you the flat left wrist at the top, 90 degree wrist hinge and club head lag on the downswing.
Click to purchase: http://www.practicerange.com/detail.aspx?ID=1170&GCID=C16590×011
Duration : 0:1:21