I installed some drywall in a ceiling hole about 1 foot by 1 foot. Now, how do i finish the patch in the ceiling? Should I tape it? If so, how do I do this since the tape would be half on the already existing ceiling that is in good shape? Do I take a knife and scrape off the good ceiling texture so that the tape is then flush on the ceiling? And, once I get it taped and mudded, how do I get the same ceiling texture effect? Mine currently looks like someone took a short mop and touched it on the ceiling. And will standard drywall mud be ok for this? It's not that pebbble looking texture.