For a course on cluster algebras (by S. Fomin): http://qgm.au.dk/video/clusalg/

EDIT: Some graduate short-courses in FCEyN, UBA, Buenos Aires, Argentina:

* J. Harris, Intersection Theory
* R. Hartshorne, Introduction to Deformation Theory
* D. Maclagan, Introduction to Tropical Algebraic Geometry
* P. Beelen, Algebraic Geometric Codes

<a href="http://mate.dm.uba.ar/~visita16/ELGA-2011/version/v1/images-en.shtml">Here</a> are the links to the videos of these 4 lectures.