Header image, image caption, portfolio, and gallery

Hi. Please help. I'm using the catch mustang responsive theme and I have multiple questions... 1. How can I remove the link on the header image? Is there a Custom CSS code that I can use? http://www.aedunlv.org 2. How can I center the the image caption to the picture. The image captions are aligned to the left and there seems to be some indentation on the left of the caption as well. I want the indentations removed as well. http://www.aedunlv.org/members-2/executive-board-officers http://www.aedunlv.org/members-2/spotlighters 3. I created a test portfolio, but the images are not opening to the fancy box that's shown on the demo site. Also, when you click on the next or previous page, the correct picture that's in the portfolio isn't showing. Is there a way to fix this? Here's the link to the test portfolio that I created http://www.aedunlv.org/archives/portfolio/test-2 4. The pictures that I selected to create a gallery isn't showing. I went to the Gallery menu => Add new => Add media file. The pictures selected for the gallery will not show up on the page. Please help. If you look here http://www.aedunlv.org/archives/gallery/4409, the pictures aren't showing.