Why do guys loose interest in meeting up with me almost immediately after I send them more pics?

Me: I'm in my 20s, never really dated, kissed once, I think I'm decent looking not "hot"girl but I know I definitely not ugly either..I know I would be rated above average.

I'm trying online dating again after such crappy success in the past. I end exchanging phone numbers and texting these guys and even phone convos for weeks and then when I send them more pics (keep in mind they have seen one or two pics of me before we exchanged numbers), they just don't see to give a shizz or respond as much anymore and fade as I send 4 or more pics. I'm not going after supermodels or anything just average to a bit above average looking guys. Sometimes I'm not as attracted after seeing more pics of these guys but I end up really liking their personalities which hurts the most when they reject me.

So I "met" this on an online dating site. We strared talking on the msging thing and then moved to texting after a few days. We had really good conversations, had few things in common. He kept saying how he'll take me to this event because I've never been before...just other really sweet things. Also found out he lives close to where I do. We exchanged pics after 3 days of talking... We had only seen one pic of each of us Before we exhanged numbers before. He kept talking but didn't comment on my pics. Then pretty late I texted saying hey im free around this time tomorrow to get together (because he had asked my availability before we exchanged more pics). The next day he doesn't text me at all. Do I text him again or just delete and move on?

Is there anything I can do with this photo issue, is it a photo issue because my friends even guy friends say its not, those guys were just weird, but maybe they are just trying not to hurt my feelings.
Why do guys loose interest in meeting up with me almost immediately after I send them more pics?
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