1. first you need the quartz composer. 2. open the file with the quartz composer after opening the file you will see 3 boxes. two in the top the left is the first logo and the right the second 3. to replace the first logo doubleclick on the left box. then you will see a box with the name "3play png". delete this file (cmd + backspace) now drag and drop the new png file in the quartz composer. 4. in the png you have dragged you see the word "image" click with the mouse (hold) and go to the blue box with the lane to the label "image" thats it. to return to the overview click on the top from the programm "Edit parent" to replace the second logo do the same way to edit the twitter tag go to the overwiev with the 3 boxes. click one time on the under box and then on de top from the programm "Parameters" on the right side open a window and you can replace the tag for twitter sorry for my english =) i hope it's an help for you
