I don'r know what your trying to use? GIMP is a free photo editing software just upload it to photobucket.
Answer:
Home & End are used to move the cursor to the start and end of a line
I doub between:
<span> C) A series of 4 full size, but individual tweets (with the tweet copy appearing above the first image of the series) D) A collage format, with full size images</span>
Answer: Something people can change and share. It is usually given the bad name of have a bunch of fake information and bugs. Wikipedia is a good example of an open source website but it is not a program.
Explanation: An open source program is a program where you have free rein to basically do whatever you want to it.