I it frustrating to say the least that after you update your own photo it can take 24 hours for it to appear synchronised back in the Lync client. Even then, you have to magically 'know' to turn off the client and restart it, which is what the Windows team boast you don't have to do, leaving everything to sleep all the time.
Some users don't have photos, some have obscure photos or random images. Given the status bar showing who's in a conversation shows only people's images (when in its minimal form / saving screen real estate) it's hard to tell who's in the conversation.
Being allowed to define an image for your contacts which overrides their image should... more »
Useful example would be to show photo based on what project or responsibilitites you are working on that week/month. On the lighter side, you could click to change the photo MOOD for the day, or even for the current conversation. Example, while discussing... more »