@Mbfrenchbulldogs: To change the filter of an image captured using the Camera app, please head to the Gallery app > Select the image > Tap the pencil symbol at the bottom of the screen to Edit > Tap the 3 overlapping circles at the bottom of the screen > Select the Greyscale, Classic or B & W filter > Save (or tap the 3 dots in the top right > Save as copy if you want to keep the original image intact).
It isn't possible to add a background blur effect to a standard photo, however you can enable this feature by opening the Camera app > Swipe over to More to access the Camera Modes > Portrait. I hope this helps.
