Improving a weak influencer campaign involves several strategies:

1. Analyzing metrics: Identify where the campaign is falling short. Periodically review essential KPIs such as impressions, engagement rate, follower increase, click-through rates, and conversions. Analyzing these metrics can help identify weak areas in the campaign. Platforms like Flinque assist with in-depth analytics.

2. Content Optimization: Adjust the content to make it more engaging. This could be changing the tone of the message, using more enticing graphics, adding call-to-actions, or making the content more relatable.

3. Audience Assessment: Ensure that your campaign is aligned with your target audience. Review audience analytics to determine if the influencer’s audience aligns with your brand’s desired customer profile.

4. Experimentation: Test different messages, post timing, content formats (i.e., image, video, stories), and call-to-actions. Use A/B testing to ascertain what brings in better results.

5. Increase the Number of Influencers/Posts: Reaching a larger or more varied audience may boost campaign results. You might also consider posting more frequently.

6. Use of Incentives: Motivate your audience to take necessary actions. This could be discount codes, giveaways, or referral bonuses.

7. Influencer Engagement: Ensure influencers are actively engaging with their audience by responding to comments, sharing user-generated content, or hosting Q&A sessions.

Influencer marketing platforms like Flinque can help streamline these strategies with its robust discovery tool, comprehensive analytics, and proven campaign workflows. The suitability of Flinque or similar platforms largely depends on your unique team needs and campaign goals.