Uploading photos on your dating profile is a good step. Many people have found their dates and encountered successful relationships because of the photos that they have posted. According to surveys and statistics, people with more photos have more chances of meeting new friends or even romantic partners because people think they are sincere and not just another fraudster using a default photo found on the internet.
The more you post photos, the more they trust you. It is necessary to use your real pictures and the most recent ones. As much as possible do not edit your photos too much because they might think you are pretentious when you look absolutely different from your profile photo, although a little enhancement is acceptable like adding light effects to make the photo brighter and clear.
You can post photos of yourself doing the things you like to do like maybe traveling, baking, playing a musical instrument, mountain climbing, etc. By this pose, you can attract people with the same interests or simply impress people who are looking for new relationships since they might consider your activities quite interesting and unique.
There are studies saying that some people especially men think that smiling or displaying of happiness is more attractive that women trying to look snob or having high profile. Close-up or head on profile pictures can get attention easily but other more pictures showing other parts of the body like shoulders and arms or full body shots are also interesting.
Dressing up properly is very important. You can always look attractive even when you are prim and proper. Tasteful clothing and camera poses can allure decent people with clean intentions. Be confident and relax, use photos wherein you are smiling naturally and not stiff most especially when you have your photo taken by a professional photographer.