blender to unity import problem/humanoid legs problem with unity blender rest pose

I found a solution to one of my problem/s with unity+blender but it's title would never help people who are looking for such problem so the title of this one should help one looking for respective solution!

Blender to unity-rest pose reset problem : http://nixart.wordpress.com/2013/03/28/modifying-the-rest-pose-in-blender/

other common problems--
Blender to unity import in general :http://www.youtube.com/watch?v=_3fdbVcrkdI
Blender to unity-cannot see some of the faces of my mesh : http://blenderartists.org/forum/showthread.php?275809-Problem-with-importing-Blender-model-to-Unity
Blender to unity basic tutorial : http://www.cg-village.com/unity-3d-...rial-the-tank-parenting-rotating-objects.html
blender IK tutorail 1 : http://www.youtube.com/watch?v=4yiC6pEQMAw
blender IK tutorial 2 :http://cg.tutsplus.com/tutorials/blender/building-a-basic-low-poly-character-rig-in-blender/

goodies found--
autohumanoid (I didn't make it) : http://blogs.unity3d.com/2013/02/07/automatic-setup-of-a-humanoid/
unity mirror animation curves : http://forum.unity3d.com/threads/151309-Free-Mirror-copy-animation-curves?p=1425753#post1425753
mirrored animation generator : http://forum.unity3d.com/threads/36444-Editor-Script-Mirror-AnimationClip-generator
Blender to unity-make any animation and IK set up from your wildest dream mecanim compatible : http://forum.unity3d.com/threads/203298-Mecanim-Humanoid-Animation-Kit
Unity mecanim intermediate level introduction : http://www.youtube.com/watch?v=Xx21y9eJq1U

may be more but community is always there for you...