Your pictures are WAY too dark. Try lightening them up.
Also small things added to the text always help. Anything to make them jump off the page. Try 'stroke' and even 'drop shadow'. There are many other ways to make your text stand out but those are 2 easy ones.
Work on your layout and text positioning. Look at real world mags for design cues and for cover shot selection.
What program are you using to create these, Photoshop, PaintShopPro, etc...?